EASY
10th Bihar Board
IMPORTANT
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Write balanced chemical equations for the reaction taking place when dilute hydrochloric acid reacts with magnesium ribbon.

Important Questions on Chemical Reactions and Equations

EASY
10th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 1 - Chemical Reactions and Equations>Bihar Board-2020>Q 12
If a substance gains oxygen during a reaction then it is known as which of the following? 
 
EASY
10th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 1 - Chemical Reactions and Equations>Bihar Board-2020>Q 13
Which of the following gases turns lime water milky? 
 
HARD
10th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 1 - Chemical Reactions and Equations>Bihar Board-2020>Q 14
 What is the difference between displacement and double displacement reactions? Write equations for these reactions. 
HARD
10th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 1 - Chemical Reactions and Equations>Bihar Board-2020>Q 15

Write balanced chemical equation for the reaction taking place when 

a) Sodium sulphate reacts with Barium chloride 

b) Calcium hydroxide reacts with Carbon dioxide.? 

HARD
10th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 1 - Chemical Reactions and Equations>Bihar Board-2020>Q 16

What happens when zinc is placed in iron sulphate solution

Write the chemical equation of the reaction.