EASY
10th CBSE
IMPORTANT
Earn 100

Among the physical and chemical changes, which one is not easily reversible?

Important Questions on Chemical Reactions and Equations

EASY
10th CBSE
IMPORTANT
Which of the following are chemical changes?
Rusting of iron, heating of zinc oxide, sublimation of iodine, the formation of curd from milk.
EASY
10th CBSE
IMPORTANT
What is the general form of a chemical equation?
EASY
10th CBSE
IMPORTANT
How are the physical states of reactants and products mentioned in a chemical equation?
EASY
10th CBSE
IMPORTANT
How is the reversibility of a reaction expressed in a chemical equation?
EASY
10th CBSE
IMPORTANT
Give an example of a combination reaction.
MEDIUM
10th CBSE
IMPORTANT
Give an example of a double displacement reaction?
MEDIUM
10th CBSE
IMPORTANT

Mention the type of the following reaction: (Displacement / Decomposition)
Pbs+CuCl2ag. PbCl2aq.+Cus

MEDIUM
10th CBSE
IMPORTANT
Give an example of a precipitation reaction.