Question:
What type of drug is Aspirin?
Answer:
Salicylates
Question:
DDT was applied as an _______.
Answer:
Insecticide
Question:
Which is used to produce artificial rain?
Answer:
Silver iodide
Question:
Nucleus of an atom contains _________.
Answer:
Protons and neutrons
Question:
Normal valency of nitrogen is _____.
Answer:
3
