Which of the following gas doesn't pollute the air:
Which of the following enzymes is found in saliva:
The amount of blood in the healthy human body is:
Which of the following is not a radioactive element?
The Oxidation state of oxygen in OF is
Tear gas is
The gas emerged through the cigarette lighter is:
Which of the following is utilized in the dry cleaning?
Full form of RDX is
If the water kept in any bottle which is completely filled up is freezee then the bottle will crack because: