S K Malhotra Solutions for Chapter: Metals and Non-Metals, Exercise 1: Test Your Knowledge

Author:S K Malhotra

S K Malhotra Chemistry Solutions for Exercise - S K Malhotra Solutions for Chapter: Metals and Non-Metals, Exercise 1: Test Your Knowledge

Attempt the free practice questions on Chapter 3: Metals and Non-Metals, Exercise 1: Test Your Knowledge with hints and solutions to strengthen your understanding. SUPER SIMPLIFIED SCIENCE CHEMISTRY CLASS X solutions are prepared by Experienced Embibe Experts.

Questions from S K Malhotra Solutions for Chapter: Metals and Non-Metals, Exercise 1: Test Your Knowledge with Hints & Solutions

MEDIUM
10th CBSE
IMPORTANT

Name a non-metal which reacts with very dilute nitric acid to evolve hydrogen.

Note: This question given in the book seems to have error and the modified question should be as given below.

Name a metal which reacts with very dilute nitric acid to evolve hydrogen. (Magnesium/Aluminium)

MEDIUM
10th CBSE
IMPORTANT

If a strip of aluminium with scratched surface is dipped in an aqueous solution of copper sulphate for little time, the surface of the strip becomes brownish. What is the reason for this? Write the balanced chemical equation for the reaction.

MEDIUM
10th CBSE
IMPORTANT

Name the chemical substance formed as green coating when copper reacts with atmospheric gases in moist conditions.(Copper carbonate/Copper bicarbonate)

HARD
10th CBSE
IMPORTANT

Name a metal which will react vigorously with cold water. (Iron / Copper / Sodium)

MEDIUM
10th CBSE
IMPORTANT

Name the metal which will react with only hot water.

MEDIUM
10th CBSE
IMPORTANT

Name a metal which will react only with steam. (Sodium / Calcium / Iron)

MEDIUM
10th CBSE
IMPORTANT

Name a metal which will not react even with steam. (Iron / Copper / Calcium)

MEDIUM
10th CBSE
IMPORTANT

State the reason why zinc is used in the galvanisation of iron and not copper.