- (A) 17.031 g/mol
- (B) 18.031 g/mol
- (C) 19.031 g/mol
- (D) 27.033 g/mol
Exam preparation MCQs with answers
Practice Pakistan's most useful MCQs for competitive exams
Prepare for NTS, PPSC, FPSC and subject-wise tests with fresh multiple choice questions, clear options and quick answer reveal.
Latest MCQs
- (A) Nucleon numbera
- (B) Mass number
- (C) Atomic number
- (D) Both A and B
- (A) Sharing of electrons
- (B) Transfer of electrons
- (C) Losing of electrons
- (D) Gain of electrons
- (A) Zeolites
- (B) Sulphonides
- (C) Lime
- (D) Nitrates
- (A) Zn(OH)2
- (B) ZNO2
- (C) Zn2(OH)3
- (D) ZnOH
- (A) 1
- (B) 2
- (C) 3
- (D) 4
- (A) Graham’s Law
- (B) Gay-Lussac’s law
- (C) Boyle’s law
- (D) None of these
- (A) Fe
- (B) Co
- (C) Ni
- (D) Rn
- (A) Annealing
- (B) Quenching
- (C) Tempering
- (D) Nitriding
- (A) Silicon carbide
- (B) Iron carbide
- (C) Graphite
- (D) Partly as iron carbide and partly as graphite
