Question:- The National Chemical Laboratory is situated in A. New Delhi B. Bangalore C. Pune D. Patna
Answer:- Option C
Question:- The maximum number of covalent formed by nitrogen is A. 1 B. 2 C. 3 D. 4
Answer:- Option D
Question:- The formula C6H5-CO-CH3 represents A. Acetone B. Acetic acid C. Acetophenone D. Phenyl acetate
Answer:- Option C
Question:- The metal that is usually extracted from sea water is A. Ca B. Na C. K D. Mg
Answer:- Option D
