MEDIUM
10th CBSE
IMPORTANT
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Mixing of aqueous solution of NaI and AgNO3 gives green precipitate.

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Important Questions on Chemical Reactions and Equations

EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 1 - Chemical Reactions and Equations>Exercise 8>Q 10
Thermal decomposition of CaCO3 in a closed vessel is reversible reaction.
MEDIUM
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 1 - Chemical Reactions and Equations>Exercise 8>Q 11
Chemical changes occur  by invoving conservation of mole.
HARD
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 1 - Chemical Reactions and Equations>Exercise 8>Q 12
Corrosion is an electrochemical phenomenon.
MEDIUM
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 1 - Chemical Reactions and Equations>Exercise 8>Q 13
Oxidation is electronation process.
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 1 - Chemical Reactions and Equations>Exercise 8>Q 14
Reducing agent is oxidised itself.
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 1 - Chemical Reactions and Equations>Exercise 8>Q 15
Air pollution is caused by CO2 gas formed in combustion reaction.
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 1 - Chemical Reactions and Equations>Exercise 8>Q 16
A downward arrow with product formed in the reaction suggests the insoluble nature of product.
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 1 - Chemical Reactions and Equations>Exercise 8>Q 17
FeSO4.7H2O has green coloured crystals.