Chemistry
Mortar is used as:
- a plastic material
- a building material
- an insecticide
- a medicine
Related Questions
Trinitrotoluene is used as:
- a preservative
- a fertiliser
- a fuel
- an explosive
Which one of the following is a pesticide?
- benzoic acid
- aldrin
- sugar
- gun powder
Urea is an important:
- fuel
- preservative
- fertiliser
- food item
The chemicals prescribed by a doctor in treatment of infectious diseases are called:
- antigens
- preservatives
- antibiotics
- fertilisers