(A) Methane
(B) Carbon Dioxide
(C) Ethylene
(D) Hydrogen
Tag: Chemistry mcqs
In Hydrogen bomb hydrogen is converted into?
(A) Helium
(B) Uranium
(C) Barium
(D) None of the above
Milk lacks in one important nutrient which is?
(A) Potassium
(B) Protein
(C) Calcium
(D) Iron
Which among has highest fuel value?
(A) Charcoal
(B) Hydrogen
(C) Gasoline
(D) Natural gas
Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives?
(A) Hydrogen at cathode and nitrogen at anode
(B) Copper at cathode and oxygen at anode
(C) Copper at anode and oxygen at cathode
(D) None of the above
What is the most reactive among halogens?
(A) Chlorine
(B) Bromine
(C) Iodine
(D) Fluorine
Electronic configuration of an atom having atomic number 20 is?
(A) 2,8,10
(B) 2,6,8,4
(C) 2,8,8,2
(D) 2,10,8
When water itself combines chemically with some element or mineral if is called?
(A) Desalination
(B) Carbonation
(C) Hydration
(D) Oxidation