(A) CO2
(B) NO2
(C) O2
(D) H2
Answer: (A) CO2
Chemistry solved multiple choice questions (MCQs) for class 11 or first year with answers.
(A) CO2
(B) NO2
(C) O2
(D) H2
Answer: (A) CO2
(A) Crystals
(B) Glasses
(C) Alloys
(D) Amalgams
Answer: (A) Crystals
(A) C10H22
(B) C6H14
(C) C5H12
(D) C4H10
Answer: (A) C10H22
(A) Directly proportional to the square root of its density
(B) Directly proportional to the square of its density
(C) Inversely proportional to the square of its density
(D) Inversely proportional to the square root of its density
Answer: (D) Inversely proportional to the square root of its density