Basic Chemistry Questions and Answers for Competitive Exams: Chemistry general knowledge for UPSC, State PSC, SSC exams.
Q 1: Name of the biogas plant gas that uses as fuel gas is
(B) Carbon dioxide
Q 2: Which is given gas uses for treating blood cancer?
(C) Cobalt – 60
Q 3: What is the name of the yeast, which used in ethanol production?
(A) Candida albicans
(B) Candida Sloofi
(C) Saccharomyces Cerevisiae
(D) Leucospoidium Frigidum
Ans: Saccharomyces Cerevisiae
Q 4: Which gas is not greenhouse gas?
Q 5: Which substance uses as a moderator as well as coolant in a nuclear reactor?
(A) Liquid Ammonia
(B) Heavy Water
(C) Ordinary Water
(D) Liquid Hydrogen
Ans: Heavy water
Q 6: Which air pollutes easily dissolve in haemoglobin as compared to oxygen?
(A) Carbon Dioxide
(C) Carbon Monoxide
Ans: Carbon Monoxide
Q 7: Choose the right option about haemoglobin
(A) Oxygen carried by the haemoglobin in the blood
(B) Haemoglobin contains Iron
(C) It provides red colour to the blood
Q 8: Which uses as water disinfectant?
(A) Chlorine dioxide
Q 9: Which form of nitrogen used by plants?
(A) Nitric Oxide
Q 10: Which matter is not explosive in nature?
(B) Dinitro Glycerine
(C) Cyclo Trimethylene Trinitramine