
What is the difference between word equation and symbolic equation? Out of word equation and symbolic equation, which one is more informative?

Important Questions on Chemical Reactions and Equations
What does the skeletal chemical equation represent? Using the equation for electrolytic decomposition of water differentiate between a skeletal chemical equation and a balanced chemical equation.


Identify the following is a chemical change or not with one reason.
Souring of milk in summer.

Identify the following is a chemical change or not with one reason.
Evaporation of water.

Identify the following is a chemical change or not with one reason.
Dissolution of sugar in water.


Identify the following change is exothermic or endothermic in nature?
Dilution of sulphuric acid.

Identify the following change is exothermic or endothermic in nature?
Dissolution of sodium hydroxide in water.
