Month: September 2022
Chemical Equations and Reactions, Chapter-1, Class 10, CBSE, NCERT Exemplar
Multiple Choice Questions 1. Which of the following is not a physical change? (a) Boiling of water to give water vapour (b) Melting of ice to give water (c) Dissolution of salt in water (d) Combustion of Liquefied Petroleum Gas (LPG) Soln: Answer is (d) Combustion of Liquefied Petroleum Gas (LPG) Explanation: Combustion is always …
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Metal and Non-Metal, Chapter-3, Class 10, CBSE, NCERT Exemplar
Multiple Choice Questions 1. Which of the following property is generally not shown by metals? (a) Electrical conduction (b) Sonorous in nature (c) Dullness (d) Ductility Soln: Answer is (c) Dullness 2. The ability of metals to be drawn into thin wires is known as (a) ductility (b) malleability (c) sonorousity (d) conductivity Soln: …
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