Washing soda is the common name for
A. Sodium Carbonate
B. Calcium Bicarbonate
C. Sodium Bicarbonate
D. Calcium Carbonate
Answer: Option A
A. Sodium Carbonate
B. Calcium Bicarbonate
C. Sodium Bicarbonate
D. Calcium Carbonate
Answer: Option A
The tree which sends down roots from its branches to the soil is known as:
A. Oak
B. Pine
C. Banyan
D. Palm
Brass gets discoloured in air because of the presence of which of the following gases in air?
A. Oxygen
B. Hydrogen Sulphide
C. Carbon dioxide
D. Nitrogen
Which of the following is a non metal that remains liquid at room temperature?
A. Phosphorous
B. Bromine
C. Chlorine
D. Helium
washing soda is sodium carbonate . It is also called water softener. chemical formula- Na2CO3. It is generally produce from ash of sodium rich plant .