Chapter Wise Mock Test for NEET. We covered all the Chapter Wise Mock Test for NEET Students in this post for free so that you can practice well for the exam.
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MCQ on NEET Biology Mock Test Chapter Wise Free for Students
In Hall and Heroult’s process of electrolysis of alumina, which of the following is liberated at the cathode?
(A) Carbon monoxide
(B) Oxygen
(C) Carbon dioxide
(D) Aluminium
Option d – Aluminium
Levigation method can be used to concentrate ores containing which of the following metal?
(A) Nickel
(B) Aluminium
(C) Chromium
(D) Zinc
Option c – Chromium
Which of the following products are formed when powdered white bauxite is mixed with coke and then heated in an inert atmosphere of nitrogen?
(A) Al4C3 + CO₂
(B) AIN+ CO
(C) Al4C3 + NO₂
(D) AIN + CO2
Option b – AlN+ CO
In the metallurgy of zinc, producer gas is used as a fuel during the smelting process. Which of the following mixture of gases constitutes producer gas?
(A) CO and N₂
(B) H₂ and O₂
(C) N₂ and O₂
(D) CO and H₂
Option a – CO and N₂
Which of the following statements is INCORRECT regarding column chromatography?
(A) Silica gel is used as a stationary phase.
(B) It is a useful technique for purification of the elements in which impurities have similar chemical properties as that of the element.
(C) Different components of the mixture get adsorbed at different levels on the adsorbent.
(D) The weakly adsorbed component gets eluted slowly as compared to a strongly adsorbed component.
Option d – The weakly adsorbed component gets eluted slowly as compared to a strongly adsorbed component.
Which of the following statements is INCORRECT?
(A) The reduction of metal oxide in its solid state is easier at the temperature reduction if the metal formed is in of liquid state.
(B) In the separation of galena and sphalerite, sodium cyanide forms a layer Na₂[Zn(CN)4] on the surface of sphalerite.
(C) Copper is a better reducing agent than zinc for the extraction of gold from sodium dicyanoaurate(I).
(D) Chlorine is obtained as a by-product of the electrolysis of molten NaCl.
Option c – Copper is a better reducing agent than zinc for the extraction of gold from sodium dicyanoaurate(I).
When metal ‘M’ is treated with NaOH, a white gelatinous precipitate ‘X’ is obtained, which is soluble in excess of NaOH. Compound x when heated strongly gives an oxide that is used in chromatography as an adsorbent Identify the metal ‘M’.
(A) Iron
(B) Aluminium
(C) Zinc
(D) Calcium
Option b – Aluminium
An ore of tin containing cassiterite is concentrated by ……… method.
(A) magnetic separation
(B) froth floatation
(C) leaching
(D) gravity separation
Option d – gravity separation
In the extraction of gold, the cyanide solution acts as a leaching agent that ………..
(A) dissolves the impurities
(B) forms a soluble complex with the metal
(C) forms a cationic complex with the metal
(D) converts the metal oxide or sulphide into the metal
Option b – forms a soluble complex with the metal
The best possible extraction of aluminum from aluminum oxide is by …………
(A) electrolytic reduction of Al₂O3
(B) reduction of Al2O3 with carbon
(C) reduction of Al2O3 with sodium
(D) reduction of Al2O3 with CO
Option a – electrolytic reduction of Al₂O3
The oxidation state of the metal in the mineral haematite is ………
(A) +2
(B) +3
(C) +4
(D) +1
Option b – +3
Which of the following metals are constituents of german silver?
(A) Co, Zn, Ni
(B) Sn, Fe, Zn
(C) Cu, Zn, Ni
(D) Cu, C, Fe
Option c – Cu, Zn, Ni
Zone refining method has been employed for preparing ultra-pure samples of ………..
(A) zinc
(B) titanium
(C) indium
(D) zirconium
Option c – indium
In the leaching method, bauxite ore is fused with sodium carbonate which results in the formation of a compound ‘X’. When compound ‘X’ is warmed and neutralized by passing carbon dioxide through it, compound ‘Y’ gets precipitated out. ‘X’ and ‘Y’ respectively are
(A) NaAlO2 and Al2O3
(B) Al(OH)3 and Al2O3
(C) Na[Al(OH)4] and Al(OH)3
(D) NaAlO₂ and Al(OH)3
Option d – NaAlO₂ and Al(OH)3
Extraction of copper uses silica as an additive during smelting to remove ………..
(A) iron(II) sulphide
(B) copper(I) sulphide
(C) iron(II) oxide
(D) copper(I) oxide
Option c – iron(II) oxide
Bronze is an alloy consisting of ………..
(A) Cu = 30%, Zn = 30%, Ni = 40%
(B) Cu= 88-90%, Sn = 10-12%
(C) Cu = 50%, Sn = 50%
(D) Cu = 80%, Zn = 10%, Sn = 10%
Option b – Cu= 88-90%, Sn = 10-12%
Which of the following statements is INCORRECT?
(A) During roasting, moisture is removed from an ore.
(B) The calcination of ore is carried out in the absence of air.
(C) Concentrated zinc blende is subjected to calcination during its extraction by pyrometallurgy.
(D) Hydrometallurgical process of extraction of metals is based on complex formation.
Option c – Concentrated zinc blende is subjected to calcination during its extraction by pyrometallurgy.
Which of the following processes of extraction of metals is INCORRECTLY paired?
(A) Distillation – Extraction of zinc
(B) Zone refining – Extraction of boron
(C) Liquation Extraction of silver
(D) Electrolytic reduction Extraction of aluminum
Option c – Liquation Extraction of silver
The ore with molecular formula CuCO3-Cu(OH)2 is known as ……..
(A) copper glance
(B) cuprite
(C) chalcopyrites
(D) malachite
Option d – malachite
Which of the following forms of iron is obtained from the blast furnace?
(A) Cast iron
(B) Wrought iron
(C) Pig iron
(D) Steel
Option c – Pig iron
Xanthates are used for the concentration of which of the following ores?
(A) Siderite
(B) Copper glance
(C) Calamine
(D) Malachite
Option b – Copper glance
Which of the following impurities present in the impure copper does not pass into the electrolytic solution as ions during electrolysis?
(A) Fe
(B) Zn
(C) Au
(D) Ni
Option c – Au
Which of the following reaction does NOT occur in the blast furnace during the extraction of iron?
(A) CaCO3 → CaO + CO2
(B) C+CO2 → 2CO
(C) 3Fe₂O3 + CO → 2Fe3O4 + CO₂
(D) FeO + SiO₂ → FeSiO3
Option d – FeO + SiO₂ → FeSiO3
Which of the following represents a pair of carbonate minerals?
(A) Siderite, Calamine
(B) Cryolite, Malachite
(C) Calamine, Zincite
(D) Cuprite, Kaolinite
Option a – Siderite, Calamine
Which among the following is the major impurity present in red bauxite?
(A) Fe₂O3
(B) SiO₂
(C) FeSiO3
(D) CaCO3
Option a – Fe₂O3
Generally, sulphide ores of metals are concentrated by the froth floatation process. Which of the following sulphide ore offers is an exception and is concentrated by leaching method?
(A) Galena
(B) Copper pyrites
(C) Argentite
(D) Sphalerite
Option c – Argentite
Which of the following statements is NOT TRUE?
(A) The standard Gibbs free energy is negative for the roasting of sulphide ore to oxide.
(B) Carbon and hydrogen are suitable reducing agents for metal sulphides.
(C) The roasting of the sulphide ore to the oxide is thermodynamically feasible.
(D) The standard Gibbs free energy formation for the metal sulphide is more negative than those for CS₂ and H₂S.
Option b – Carbon and hydrogen are suitable reducing agents for metal sulphides.
Which of the following is NOT a hydrated oxide mineral?
(A) Limonite
(B) Bauxite
(C) China clay
(D) Dolomite
Option d – Dolomite
Silver is obtained from an aqueous solution of sodium argentocyanide by adding ……….
(A) zinc dust
(B) copper powder
(C) sodium amalgam
(D) sodium thiosulphate
Option a – zinc dust
In which of the following methods of refining, metal is converted into its volatile compound which on decomposition gives pure metal?
(A) Fractional crystallization
(B) Distillation
(C) Liquation
(D) van Arkel method
Option d – van Arkel method
Which of the following represents the chemical formula of franklinite?
(A) ZnCO3
(B) Zn₂SiO4
(C) ZnO.Fe₂O3
(D) ZnS
Option c – ZnO.Fe₂O3
Which of the following techniques is used for refining blister copper?
(A) Distillation
(B) Zone refining
(C) Mond process
(D) Polling
Option d – Polling
In the metallurgical process, calcined ores of which of the following can be reduced by carbon?
(A) Sphalerite
(B) Calamine
(C) Copper pyrites
(D) Iron pyrites
Option b – Calamine
From gold amalgam, mercury may be recovered by ………
(A) addition of Zn metal
(B) electrolytic refining
(C) distillation
(D) dissolving Hg in HNO3
Option c – distillation
Near the top of the blast furnace at around 900 K, iron is obtained on a large scale from iron oxide by reduction with ……..
(A) C
(B) CO
(C) Al
(D) H₂
Option b – CO
The metal for which its ability to form a volatile complex is taken into account for its extraction is ………..
(A) copper
(B) nickel
(C) zinc
(D) iron
Option b – nickel
The composition of ‘copper matte’ is ……….
(A) Cu₂S + FeS
(B) Cu₂S + Cu₂O
(C) Cu₂S + FeO
(D) Cu₂O + FeS
Option a – Cu₂S + FeS
The function of fatty acids in the froth floatation process is to make the ore ……….
(A) attracted towards water
(B) water repellant
(C) soluble
(D) heavier than gangue
Option b – water repellant
Which of the following commercial form of iron contains the least amount of carbon?
(A) Cast iron
(B) Steel
(C) Wrought iron
(D) Pig iron
Option c – Wrought iron
Which of the following metal CANNOT be extracted from their ores by hydrometallurgy? ( Chapter Wise Mock Test for NEET Students )
(A) Silver
(B) Gold
(C) Zinc
(D) Copper
Option c – Zinc
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