EASY
10th Bihar Board
IMPORTANT
Earn 100
What is double displacement reaction?
Important Questions on Chemical Reactions and Equations
EASY
10th Bihar Board
IMPORTANT
The gain of oxygen by a substance during chemical reaction is called
MEDIUM
10th Bihar Board
IMPORTANT
Why does the colour of copper sulphate solution change when an iron nail is dipped in it?
HARD
10th Bihar Board
IMPORTANT
What do you mean by a precipitation reaction?
EASY
10th Bihar Board
IMPORTANT
Write balanced chemical equations for the reaction taking place when dilute sulphuric acid reacts with zinc.
EASY
10th Bihar Board
IMPORTANT
Write balanced chemical equations for the reaction taking place when dilute hydrochloric acid reacts with magnesium ribbon.
EASY
10th Bihar Board
IMPORTANT
If a substance gains oxygen during a reaction then it is known as which of the following?
EASY
10th Bihar Board
IMPORTANT
Which of the following gases turns lime water milky?
HARD
10th Bihar Board
IMPORTANT
What is the difference between displacement and double displacement reactions? Write equations for these reactions.
