MCQ on Metals and Non Metals. We covered all the MCQ on Metals and Non Metals in this post for free so that you can practice well for the exam.
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MCQ on Metals and Non Metals for Students
Formula of magnetite is
(a) Fe₂O3
(b) FeS2
(c) FeCO3
(d) Fe3O4
Option d – Fe3O4
Generally, metals react with acids to give salt and hydrogen gas. Which of the following acids does not give hydrogen gas on reacting with metals (except Mn and Mg)?
(a) H₂SO4
(b) HCl
(c) HNO3
(d) All of these
Option c – HNO3
Silver articles become black on prolonged exposure to air. This is due to the formation of
(a) Ag3N
(b) Ag₂O
(c) Ag₂S
(d) Ag₂S and Ag3N
Option c – Ag₂S
2 mL each of concentrated HCl, HNO3, and a mixture of concentrated HCl and concentrated HNO3 in the ratio of 3 : 1 were taken in test tubes labeled A, B, and C. A small piece of metal was put in each test tube. No change occurred in test tubes A and B but the metal got dissolved in test tube C respectively. The metal could be
(a) Al
(b) Au
(c) Cu
(d) Pt
Option b – Au
Which of the following metals are present in hemoglobin and chlorophyll, respectively?
(a) Fe and Mg
(b) Fe and Zn
(c) Mg and Zn
(d) Zn and Mg
Option a – Fe and Mg
Which one of the following substances are used in the manufacture of safety matches?
(a) Red phosphorus
(b) White phosphorus
(c) Phosphorus trioxide (P₂O3)
(d) Black phosphorus
Option a – Red phosphorus
Commercial vulcanization of rubber involves
(a) sulphur
(b) carbon
(c) phosphorus
(d) selenium
Option a – sulphur
The coil in a heater is made of
(a) nichrome
(b) tungsten
(c) copper
(d) iron
Option a – nichrome
When items or jewelry made of metals such as copper or nickel are placed in a solution having a salt of gold, a thin film of gold is deposited by
(a) cooling to below 0°C
(b) heating above 100°C
(c) passing an electric current
(d) just keep it for 10 min
Option c – passing an electric current
Which one among the following metals is used for making boats because it does not corrode by seawater?
(a) Tungsten
(b) Nickel
(c) Antimony
(d) Titanium
Option d – Titanium
Which of the following are the two main constituents of granite?
(a) Iron and silica
(b) Iron and silver
(c) Silica and aluminum
(d) Iron oxide and potassium
Option c – Silica and aluminum
Which one among the following is a micronutrient present in the soil for various crops?
(a) Calcium
(b) Manganese
(c) Magnesium
(d) Potassium
Option b – Manganese
Which of the following metals is prominently used in mobile phone batteries?
(a) Copper
(b) Zinc
(c) Nickel
(d) Lithium
Option d – Lithium
Which of the following is an element which never exhibits a positive oxidation state in any of its compounds?
(a) Oxygen
(b) Chlorine
(c) Fluorine
(d) Carbon
Option c – Fluorine
Oxygen and ozone are
(a) allotropes
(b) isomers
(c) isotopes
(d) isobars
Option a – allotropes
Which among the following elements is abundant on the lunar surface and holds the potential to put an end to the energy crisis of the earth?
(a) Helium-I
(b) Helium-II
(c) Helium-III
(d) Helium-IV
Option c – Helium-III
Which allotropy of carbon is in a rigid three-dimensional structure?
(a) Graphite
(b) Fullerene
(c) Diamond
(d) Carbon black
Option c – Diamond
What are the elements which are liquids at room temperature and standard pressure? 1. Helium 2. Mercury 3. Chlorine Bromine Select the correct answer using the codes given below
(a) 2 and 3
(b) 2, 3 and 4
(c) 2 and 4
(d) 1 and 3
Option c – 2 and 4
Both Potassium and sulfuric acid form intercalation compounds with graphite. The graphite layers are
(a) reduced in both cases
(b) oxidized in both cases
(c) oxidized in the case of Potassium and reduced in the case of Sulphuric acid
(d) reduced in the case of Potassium and oxidized in the case of sulphuric acid
Option d – reduced in the case of Potassium and oxidized in the case of sulphuric acid
Which one of the following is also called Stranger Gas?
(a) Argon
(b) Neon
(c) Xenon
(d) Nitrous oxide
Option c – Xenon
Which one of the following is not true for diamonds?
(a) Each carbon atom is linked to four other carbon atoms
(b) Three-dimensional network structure of carbon atoms is formed
(c) It is used as an abrasive for sharpening hard tools
(d) It can be used as a lubricant.
Option d – It can be used as a lubricant
When pure water boils vigorously, the bubbles that rise to the surface are composed primarily of
(a) air
(b) hydrogen
(c) hydrogen and oxygen
(d) water vapor
Option c – hydrogen and oxygen
Which of the following is not a nitrogenous fertilizer?
(a) Ca(CN)₂
(b) CaCN₂
(c) NH₂NO3
(d) Urea
Option a – Ca(CN)₂
Which one of the following is the correct order in which the gases H₂, Ne, O₂, and N, are evolved on the fractional distillation of liquid air?
(a) H₂, Ne, O₂, N₂
(b) H₂, Ne, N₂, O2
(c) N₂, O₂, Ne, H₂
(d) O₂, N₂, H₂, Ne
Option b – H₂, Ne, N₂, O2
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