(A) Acetylene
(B) Ethylene
(C) Methane
(D) Ethane
Tag: Inorganic Chemistry
Where does the oxygen that keeps us alive come from?
(A) Carbonates absorbed from soil
(B) Carbon dioxide
(C) Oxides of minerals
(D) Water
Fertilizer having high nitrogen content is?
(A) Ammonium sulphate
(B) Urea
(C) Ammonium nitrate
(D) Calcium citrate
Commercial nitric acid is coloured because it contains dissolved?
(A) Nitrous oxide
(B) Oxygen
(C) Nitrogen dioxide
(D) Coloured impurities
‘’All the four quantum numbers of two electrons in an atom are not the same’’ It is law of?
(A) Exclusion principle of Pauli
(B) Hund’s
(C) Uncertainty principle of Heisenberg
(D) Avogadro’s Law
In which of the following states maximum iron ore is found?
(A) FeCO3
(B) Fe2O3
(C) Fe3O4
(D) FeS2
Which among the following is a carbohydrate?
(A) Turpentine
(B) Nylon
(C) Cane-sugar
(D) Hydrogen peroxide
Cement is made hard with?
(A) Hydration and Dissociation of water
(B) Dehydration
(C) Dissociation of water
(D) Polymerization