(A) Be
(B) Al
(C) O
(D) Na
Answer: (B) Al
Category: Chemistry MCQs Class 12
Chemistry MCQs questions with answers of class 12 or second year. HSSC Part-II Chemistry multiple choice questions from past papers.
Nelson cell is used to prepare:
(A) Sodium Hydroxide
(B) Sodium Metal
(C) Sulphur
(D) Chlorine
Answer: (C) (A) Sodium Hydroxide
Which one of the following does not belong to alkaline earth metal:
(A) Be
(B) Ra
(C) Ba
(D) Pb
Answer: (A) Be
Beryllium (Be) does not belong to alkaline earth metal.
The hybridization in the carbon atom of carbonyl group is:
(A) sp3
(B) sp2
(C) sp
(D) dsp3
Answer: (B) sp2
The presence of double bond in a compound is the sign of:
(A) Saturation
(B) Unsaturation
(C) Substitution
(D) Combustion
Answer: (B) Unsaturation