EASY
10th CBSE
IMPORTANT
Earn 100

How does the metal magnesium differ from the metal calcium in their reaction with water?

Important Questions on Metals And Non-Metals

MEDIUM
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 3 - Metals And Non-Metals>EXERCISE 3C>Q 11
Name any two neutral oxides.
EASY
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 3 - Metals And Non-Metals>EXERCISE 3C>Q 12
Which one of the following metals does not react with oxygen even at high temperatures?
(i) Calcium (ii) Gold (iii) Sodium.
EASY
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 3 - Metals And Non-Metals>EXERCISE 3C>Q 13
Name any one metal that reacts neither with cold water nor with hot water but reacts with heated steam to produce hydrogen gas.
EASY
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 3 - Metals And Non-Metals>EXERCISE 3C>Q 14
Write the chemical equation for the reaction taking place when a piece of zinc is placed in copper (II) sulphate solution.
EASY
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 3 - Metals And Non-Metals>EXERCISE 3C>Q 15
An element forms an oxide A2O3 that is acidic in nature. Identify A as a metal or a non-metal.
MEDIUM
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 3 - Metals And Non-Metals>EXERCISE 3C>Q 16
Generally, when metals are treated with mineral acids, hydrogen gas is liberated but when metals (except Mn and Mg), are treated with HNO3, hydrogen is not liberated, why?
EASY
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 3 - Metals And Non-Metals>EXERCISE 3C>Q 17
Give reason: For making hydrogen by reaction with hydrochloric acid, granulated zinc is preferred to a block of zinc.
EASY
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 3 - Metals And Non-Metals>EXERCISE 3C>Q 18
Write balanced chemical equation for the reaction taking place when steam is passed over red hot iron.