railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test General Science Biology Biology in Everyday life
Which product is derived from limestone and diatomaceous earth, and is used as an antacid and as an anticaking agent in the preparation of food?
1
Calcium silicate
2
Potassium sulfate
3
Disodium phosphate
4
Sodium ferrocyanide