Class 9 Chemistry Kerala Syllabus. We covered all the Class 9 Chemistry Kerala Syllabus MCQs in this post for free so that you can practice well for the exam.
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Class 9 Chemistry Kerala Syllabus for Students
The Class 9 Chemistry syllabus for the Kerala State Board typically includes:
1. Matter in Our Surroundings
2. Is Matter Around Us Pure
- Elements and compounds
- Mixtures (homogeneous and heterogeneous)
- Separation techniques
3. Atoms and Molecules
- Concept of atoms and molecules
- Symbols and formulae
- Atomic and molecular masses
4. Structure of the Atom
- Basic structure of the atom
- Electron, proton, neutron
- Atomic models
- Types of chemical reactions
- Balancing chemical equations
- Effects of chemical reactions
8. Carbon and its Compounds
This syllabus covers fundamental concepts and provides a foundation for understanding more complex chemical principles in higher classes.
Class 9 Chemistry Kerala Syllabus Objective for Students
The polymer obtained from monomers glycine and e amino caproic acid is:
(A) Buna-S
(B) Dextron
(C) PHBV
(D) Nylon-2-nylon-6
Option d – Nylon-2-nylon-6
Polyacrylamide gel is used in ( Class 9 Chemistry Kerala MCQ )
(A) Paints
(B) Electrophoresis
(C) Raincoats
(D) Gaskets
Option b – Electrophoresis
Bakelite is obtained from phenol by reaction with:
(A) Ethanal
(B) Methanol
(C) Methanal
(D) Acetone
Option c – Methanal
SBR is obtained from 75 parts of butadiene and 25 parts of styrene subjected to addition polymerization by the action of ( Class 9 Chemistry Kerala MCQ )
(A) Hydrogen
(B) Sulphur
(C) Lithium
(D) Sodium
Option d – Sodium
Chloroprene polymerizes rapidly in the presence of:
(A) Hydrogen
(B) Oxygen
(C) Helium
(D) Neon
Option b – Oxygen
Vulcanization of neoprene takes place in the presence of ( Class 9 Chemistry Kerala MCQ )
(A) Magnesium oxide
(B) Tritium oxide
(C) Vanadium oxide
(D) Polonium oxide
Option a – Magnesium oxide
The molecular formula of cellulose is:
(A) Cell-OH
(B) Cell-OR
(C) Cell-OAr
(D) Cell-SR
Option a – Cell-OH
Cellulose xanthate, when mixed with dilute NaOH, gives ( Class 9 Chemistry Kerala MCQ )
(A) Viscose
(B) Acetate
(C) Tartarate
(D) Carboxylate
Option a – Viscose
PHBV is a:
(A) Polyether polymer
(B) Polyester polymer
(C) Polyamide polymer
(D) Polyhydroxyl polymer
Option b – Polyester polymer
Which of the following is a natural polymer? ( Class 9 Chemistry Kerala MCQ )
(A) poly (Butadiene-acrylonitrile)
(B) cis-1,4-polyisoprene
(C) poly (Butadiene-styrene)
(D) polybutadiene
Option b – cis-1,4-polyisoprene
The reaction between benzaldehyde and acetophenone in the presence of dilute NaOH is known as:
(A) Cross Aldol condensation
(B) Aldol condensation
(C) Cannizzaro’s reaction
(D) Cross Cannizzaro’s reaction
Option a – Cross Aldol condensation
The mixture which shows positive deviation from Raoult’s law is ( Class 9 Chemistry Kerala MCQ )
(A) Chloroethane + Bromoethane
(B) Ethanol + Acetone
(C) Benzene + Toluene
(D) Acetone + Chloroform
Option b – Ethanol + Acetone
Which of the following sets of molecules will have zero dipole moment?
(A) Boron trifluoride, beryllium difluoride, carbon dioxide, 1,4-dichlorobenzene
(B) Ammonia, beryllium difluoride, water, 1,4 dichlorobenzene
(C) Boron trifluoride, hydrogen fluoride, carbon dioxide, 1,3-dichlorobenzene
(D) Nitrogen trifluoride, beryllium difluoride, water, 1,3-dichlorobenzene
Option a – Boron trifluoride, beryllium difluoride, carbon dioxide, 1,4-dichlorobenzene
Paper chromatography is an example of ( Class 9 Chemistry Kerala MCQ )
(A) Column chromatography
(B) Adsorption chromatography
(C) Partition chromatography
(D) Thin-layer chromatography
Option c – Partition chromatography
Chemically treated natural polymers are:
(A) Synthetic polymer
(B) Semi-synthetic polymer
(C) Fibres
(D) Thermosetting polymer
Option b – Semi-synthetic polymer
Polymers obtained in the laboratory by polymerization of simple chemicals are ( Class 9 Chemistry Kerala MCQ )
(A) Elimination polymer
(B) Natural polymer
(C) Synthetic polymer
(D) Semisynthetic polymer
Option c – Synthetic polymer
Thermosetting polymers are:
(A) Animal polymer
(B) Linear polymer
(C) Network polymer
(D) Branched polymer
Option c – Network polymer
The polymerization process complete with the formation of a dimer, trimer, etc. by condensation is ( Class 9 Chemistry Kerala MCQ )
(A) Condensation polymers
(B) Addition polymers
(C) Chain growth polymerization
(D) Step growth polymerization
Option d – Step growth polymerization
The polymers which have two or more types of repeating units are called:
(A) Copolymer
(B) Homopolymer
(C) Addition polymers
(D) Condensation polymers
Option a – Copolymer
The synthetic polymers that are not affected by microbes are called ( Class 9 Chemistry Kerala MCQ )
(A) Biodegradable polymers
(B) Non-biodegradable polymers
(C) PHBV
(D) Nylon-2-nylon-6
Option b – Non-biodegradable polymers
Select the initiator that generates free radicals:
(A) Acetyl peroxide
(B) Methyl alcohol
(C) Isopropyl chloride
(D) Isopropyl amine
Option a – Acetyl peroxide
The intermediate formed during chain growth polymerization is ( Class 9 Chemistry Kerala MCQ )
(A) Carbanion
(B) Carbocation
(C) Free radical
(D) Either ‘A’ or ‘B’
Option c – Free radical
The functionality of polymer depends upon:
(A) Type of polymer
(B) Mass of polymer
(C) Size of polymer
(D) No. of bonding sites in polymer
Option a – Type of polymer
Incorrect statement about branched chain polymers is ( Class 9 Chemistry Kerala MCQ )
(A) They have low density and melting point.
(B) They contain continuous chains.
(C) Their molecules are irregularly packed.
(D) They have branched side chains of different lengths.
Option b – They contain continuous chains
The polymer chains form fibers by:
(A) Cooling
(B) Chemical treatment
(C) Stretched by external force
(D) Hydrogen bonding
Option c – Stretched by external force
Polymers having intermolecular attractive forces between elastomers and fibers are ( Class 9 Chemistry Kerala MCQ )
(A) Synthetic polymers
(B) Plant polymers
(C) Thermoplastic polymers
(D) Thermosetting polymers
Option c – Thermoplastic polymers
The polymers which do not become soft on heating and cannot be remolded or recycled are:
(A) Fibers
(B) Elastomers
(C) Thermoplastic polymers
(D) Thermosetting polymers
Option d – Thermosetting polymers
Polymers having a network or cross-linked chain polymers through strong covalent bonds are ( Class 9 Chemistry Kerala MCQ )
(A) Polypropylene
(B) Teflon
(C) Melamine
(D) Terylene
Option c – Melamine
The molecular mass of an addition polymer is:
(A) Very low
(B) Equal to monomer
(C) Double the mass of the monomer
(D) Equal to an integral multiple of monomer
Option d – Equal to an integral multiple of monomer
Linear polymers have not ( Class 9 Chemistry Kerala MCQ )
(A) Low melting point
(B) High density
(C) High tensile strength
(D) Close-packed molecules
Option a – Low melting point
The process in which monomeric units are added successively to form a polymer is called:
(A) Addition-elimination polymer
(B) Condensation polymerization
(C) Chain growth polymerization
(D) Step growth polymerization
Option c – Chain growth polymerization
Polymers that have only one type of repeating unit are called ( Class 9 Chemistry Kerala MCQ )
(A) Heteropolymer
(B) Homopolymer
(C) Addition polymers
(D) Condensation polymer
Option b – Homopolymer
Polymers obtained by using different monomers are called:
(A) Animal polymers
(B) Plant polymers
(C) Heteropolymers
(D) Homopolymers
Option c – Heteropolymers
Biodegradable polymers ( Class 9 Chemistry Kerala MCQ )
(A) Have only ester linkage
(B) Addition polymers
(C) Co-polymers
(D) Ether linkage
Option c – Co-polymers
Gutta Percha is:
(A) cis-1,4-polyisoprene
(B) trans-1,4-polyisoprene
(C) trans-1,2-polyisoprene
(D) cis-1,2-polyisoprene
Option b – trans-1,4-polyisoprene
Nylon-6,6 has a high molecular mass range of ( Class 9 Chemistry Kerala MCQ )
(A) 12,000 u to 40,000 u
(B) 10,000 u to 50,000 u
(C) 12,000 u to 50,000 u
(D) 10,000 u to 48,000 u
Option c – 12,000 u to 50,000 u
In the chain propagation step of free radical polymerization:
(A) Polymer is formed
(B) Decarboxylation of fatty acid
(C) Phenyl free radical is formed
(D) Larger free radical is formed
Option d – Larger free radical is formed
The molecular mass of natural rubber falls within the range of:
(A) 1,30,000 u to 3,40,000 u
(B) 1,35,000 u to 3,00,000 u
(C) 504 u to 100 u
(D) 50,000 u to 1,50,000 u
Option a – 1,30,000 u to 3,40,000 u
Artificial wool and blankets are obtained from:
(A) Acrilan
(B) PAN
(C) Orlon
(D) Either A, B, C
Option d – Either A, B, C
Vulcanized rubber contains cross-linking chains of:
(A) Styrene
(B) trans-1,4-polypropene
(C) cis-1,4-polyisopropene
(D) trans-1,4-polyisopropene
Option c – cis-1,4-polyisopropene
LDP is a poor conductor of electricity with a melting point of:
(A) 112°C
(B) 111°C
(C) 110°C
(D) 210°C
Option c – 110°C
The catalyst used in the preparation of HDP is:
(A) Ziegler-Natta
(B) Grignard’s reagent
(C) Reimer-Tieman
(D) Stephen
Option a – Ziegler-Natta
Polymers used in non-stick cookware and gaskets are:
(A) Orlon
(B) Teflon
(C) Nylon-6
(D) Bakelite
Option b – Teflon
Acrylonitrile on polymerization gives:
(A) Orlon
(B) Terylene
(C) Teflon
(D) Neoprene
Option a – Orlon
Natural rubber is which type of polymer?
(A) Addition
(B) Coordination
(C) Condensation
(D) Substitution
Option a – Addition
Balloons, tires, Surgeon’s gloves, and garden hoses are examples of:
(A) Bakelite
(B) Urea-formaldehyde
(C) Rubber
(D) Urea-melamine polymer
Option c – Rubber
Latex obtained from rubber trees is in the form of:
(A) Aerosol
(B) Coarse suspension
(C) True solution
(D) Colloidal suspension
Option d – Colloidal suspension
Heating rubber with sulfur powder in the presence of zinc butyl xanthate at 150°C is called:
(A) Oxidation
(B) Galvanization
(C) Sulphonation
(D) Vulcanization
Option d – Vulcanization
The amount of hydrocarbon present in the Havea tree is:
(A) Very high (35%)
(B) Very low (0.5%)
(C) 5.5%
(D) 12.5%
Option a – Very high (35%)
Which of the following is obtained by the polymerization of ethylene under high pressure (1000-2000 atm) and temperature (350-570 K) in the presence of peroxide?
(A) Low-density polythene
(B) High-density polythene
(C) PAN
(D) Bura-N
Option a – Low-density polythene
The raw material used in the preparation of LDP is:
(A) Ethylene
(B) Ethyl chloride
(C) Ethylamine
(D) Ethanol
Option a – Ethylene
Which of the following bonds is very difficult to break and remains unaffected by corrosive alkali, organic solvents?
(A) C-F
(B) Na – Cl
(C) K – Br
(D) K – OH
Option a – C-F
A cyclic ester formed by the intramolecular reaction of -OH group and -COOH group is called:
(A) Lactone
(B) Lactam
(C) Acetal
(D) Ketol
Option a – Lactone
The polymer used for making tyre cords, fabrics, and ropes is:
(A) Nylon 6
(B) Melamine
(C) Bakelite
(D) Teflon
Option a – Nylon 6
Polyethylene terephthalate (PET) is a polymer of:
(A) Polyamide
(B) Polyester
(C) Polyether
(D) Polyhalide
Option b – Polyester
Telephone instrument is obtained from:
(A) Animal polymer
(B) Plant polymer
(C) Bakelite
(D) Elastomers
Option c – Bakelite
The raw material used in the preparation of nylon-6,6 is:
(A) Adipic acid and ethanol
(B) Adipic acid and ethane1,2-diol
(C) Adipic acid and hexamethylene diamine
(D) Hexamethylene diamine and vinyl cyanide
Option c – Adipic acid and hexamethylene diamine
Nylon is an example of:
(A) Polyamide
(B) Polysaccharide
(C) Polythene
(D) Polyester
Option a – Polyamide
Biodegradable polymers are used in:
(A) Drug release materials
(B) Implants
(C) Orthopedic devices
(D) All of the above (A, B, and C)
Option d – All of the above (A, B, and C)
Buna-N polymer is obtained by reacting But-1,3 diene and:
(A) Vinyl cyanide
(B) Vinyl chloride
(C) Vinyl alcohol
(D) Vinyl bromide
Option a – Vinyl cyanide
A three-dimensional cross-linked network solid having links at two ortho and one para position is called:
(A) Bakelite
(B) Orlon
(C) PVC
(D) PAN
Option a – Bakelite
The reaction of Melamine + Methanal to form Melamine formaldehyde resin is an example of:
(A) Addition-elimination polymerization
(B) Condensation polymerization
(C) Elimination polymerization
(D) Rearrangement polymerization
Option b – Condensation polymerization
Buna-S is a polymer of:
(A) Styrene and methanal
(B) Styrene and but-1,2-diene
(C) Styrene and but-1,3-diene
(D) But-1,3-diene and vinyl cyanide
Option c – Styrene and but-1,3-diene
Cellulose pulp wood is treated with conc. NaOH to give:
(A) Alkali cellulose
(B) Cellulose xanthate
(C) Viscose rayon
(D) Acetate rayon
Option a – Alkali cellulose
Which of the following is a natural polymer?
(A) Poly(butadiene-acrylonitrile)
(B) cis-1,4-polyisoprene
(C) Poly(butadiene-styrene)
(D) Polybutadiene
Option b – cis-1,4-polyisoprene
The biodegradable polymer is:
(A) Nylon-2-nylon-6
(B) Nylon-6
(C) Buna-S
(D) Nylon-6,6
Option a – Nylon-2-nylon-6
Regarding cross-linked or network polymers, which of the following statements is incorrect?
(A) Examples are bakelite and melamine
(B) They are formed from bi-and tri-functional monomers.
(C) They contain covalent bonds between various linear polymer chains.
(D) They contain strong covalent bonds in their polymer chains.
Option d – They contain strong covalent bonds in their polymer chains
Polycarbonate is a polymer of:
(A) Ethylene glycol + phthalic acid
(B) Butadiene + acrylonitrile
(C) Urea + methanal
(D) Bisphenol + Phosgene
Option d – Bisphenol + Phosgene
Nylon is an example of:
(A) Polyester
(B) Polysaccharide
(C) Polyamide
(D) Polythene
Option c – Polyamide
Which one of the following is not a condensation polymer?
(A) Melamine
(B) Glyptal
(C) Dacron
(D) Neoprene
Option d – Neoprene
Which of the following statements is false?
(A) Artificial silk is derived from cellulose.
(B) Nylon-66 is an example of an elastomer.
(C) The repeat unit in natural rubber is isoprene.
(D) Both starch and cellulose are polymers of glucose.
Option b – Nylon-66 is an example of an elastomer
Biodegradable polymer that can be produced from glycine and aminocaproic acid is:
(A) Nylon-2-nylon-6
(B) PHBV
(C) Buna-N
(D) Nylon-6,6
Option a – Nylon-2-nylon-6
Caprolactam is used for the manufacture of:
(A) Nylon-6
(B) Teflon
(C) Terylene
(D) Nylon-6,6
Option a – Nylon-6
Natural rubber has:
(A) All trans-configuration
(B) Alternate cis-and trans-configuration
(C) Random cis- and trans-configuration
(D) All cis-configuration
Option d – All cis-configuration
We covered all the class 9 chemistry Kerala syllabus mcqs above in this post for free so that you can practice well for the exam.
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Also, check out:
- S Chand Chemistry Class 9 Chapter 2 Solutions
- ICSE Class 9 Chemistry Sample Paper
- Simplified Chemistry Class 9 Solutions
