HARD
10th Mizoram Board
IMPORTANT
Earn 100

Write the balanced equation for the following chemical reaction:
Barium chloride + Aluminium sulphate → Barium sulphate + Aluminium chloride

Important Questions on Chemical Reactions and Equations

MEDIUM
10th Mizoram 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 Mizoram Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS X>Chapter 1 - Chemical Reactions and Equations>QUESTIONS>Q 3
Write the balanced chemical equation with state symbols for the following reaction:
Solutions of barium chloride and sodium sulphate in water react to give insoluble barium sulphate and the solution of sodium chloride.
MEDIUM
10th Mizoram Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS X>Chapter 1 - Chemical Reactions and Equations>QUESTIONS>Q 3
Write the balanced chemical equation with state symbols for the following reaction:
Sodium hydroxide solution (in water) reacts with hydrochloric acid solution (in water) to produce sodium chloride solution and water.
HARD
10th Mizoram 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 Mizoram 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 Mizoram 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 Mizoram Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS X>Chapter 1 - Chemical Reactions and Equations>QUESTIONS>Q 2
Give an example of a double displacement reaction?
HARD
10th Mizoram Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS X>Chapter 1 - Chemical Reactions and Equations>QUESTIONS>Q 3
Identify the substances that are oxidized and the substances that are reduced in the following reaction:
4Nas+O2g→2Na2Os