HARD
10th Madhya Pradesh Board
IMPORTANT
Earn 100

What do you mean by a precipitation reaction? Explain by giving examples.

Important Questions on Chemical Reactions and Equations

MEDIUM
10th Madhya Pradesh Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS X>Chapter 1 - Chemical Reactions and Equations>QUESTIONS>Q 1
Why should a magnesium ribbon be cleaned before burning in air?
HARD
10th Madhya Pradesh Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS X>Chapter 1 - Chemical Reactions and Equations>QUESTIONS>Q 2
Write the balanced equation for the following chemical reaction:
Barium chloride + Aluminium sulphate → Barium sulphate + Aluminium chloride
MEDIUM
10th Madhya Pradesh Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS X>Chapter 1 - Chemical Reactions and Equations>QUESTIONS>Q 2

Write the balanced chemical equation for the following chemical reaction:

Sodium + Water→Sodium hydroxide + Hydrogen

HARD
10th Madhya Pradesh Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS X>Chapter 1 - Chemical Reactions and Equations>QUESTIONS>Q 1
A solution of a substance ‘X’ is used for whitewashing.
(i) Name the substance ‘X’ and write its formula.
(ii) Write the reaction of the substance ‘X’ named in (i) above with water
HARD
10th Madhya Pradesh Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS X>Chapter 1 - Chemical Reactions and Equations>QUESTIONS>Q 2
Why is the amount of a gas collected in one of the test tubes in ‘Electrolysis of water’ activity double of the amount collected in the other? Name this gas.
MEDIUM
10th Madhya Pradesh Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS X>Chapter 1 - Chemical Reactions and Equations>QUESTIONS>Q 1
Why does the colour of copper sulphate solution change when an iron nail is dipped in it?
MEDIUM
10th Madhya Pradesh Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS X>Chapter 1 - Chemical Reactions and Equations>QUESTIONS>Q 2
Give an example of a double displacement reaction?
MEDIUM
10th Madhya Pradesh Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS X>Chapter 1 - Chemical Reactions and Equations>EXERCISES>Q 18
Why do we apply paint on iron articles?