Question:
Epsom salt is chemically known as _____________.
Answer:
Magnesium sulfate
Question:
The element used in lead pencils is _____________.
Answer:
Carbon
Question:
The alcohol used in the preparation of dynamite is _________.
Answer:
Glycerol
Question:
Air contains maximum amount of __________.
Answer:
Nitrogen
Question:
Washing soda is _________.
Answer:
Sodiun carbonate
