Ordinary table salt is sodium chloride. What is baking soda?
A. Potassium chloride
B. Potassium carbonate
C. Potassium hydroxide
D. Sodium bicarbonate
A. Potassium chloride
B. Potassium carbonate
C. Potassium hydroxide
D. Sodium bicarbonate
A. It has a high boiling point
B. It has a high dipole moment
C. It has a high specific heat
D. It has no colour
A. Aluminium hydroxide
B. Potassium nitrate
C. Silver bromide
D. Sodium chloride
A. Increase the alkalinity of the soil
Increase the acidity of the soil
B. Restore nitrates to the soil
C. Make the soil more porous
D. None
A. Magnesite
B. Calcite
C. Carnallite
D. Dolomite
A. Specific heat
B. Thermal capacity
C. Water equivalent
D. None of the above Answer
A. This acid, in ancient times, was used to eliminate ant-hills
B. This corrosive acid is secreted by ants to drive away their enemies
C. This acid was first obtained by the distillation of ants
D. Ants are attracted by the odour of this acid