(A) O3
(B) Cl2
(C) O2
(D) H2
___ is a weak electrolyte.
(A) Ca(OH)2
(B) NaCl
(C) NaOH
(D) H2SO4
Milk of magnesia is an example of?
(A) Solution
(B) True solution
(C) Colloids
(D) Suspension
Air is an example of a solution of?
(A) Liquid in gas
(B) Gas in gas
(C) Solid in gas
(D) Gas in liquid
___ is an example of amorphous solid.
(A) Plastic
(B) Diamond
(C) Sodium Chloride
(D) Glucose
Identify the molecule with double covalent bond?
(A) O2
(B) H2
(C) N2
(D) C2H2
Alkali metals belongs to?
(A) 1st group
(B) 2nd group
(C) 3rd group
(D) 4th group
Modern periodic table consists of?
(A) Two Blocks
(B) Three Blocks
(C) Four Blocks
(D) Five Blocks