Free MCQs for FPSC, NTS, PPSC, PMS, CSS & All Pakistan Exams 2026

A. 50% KOH
B. Lime water
C. CaCl2
D. Mg (CIO4)2

A. F – Cl – Br
B. Li+1 – Na+1 – K+1
C. F – Ne – Na+
D. H+ – H- – H

A. 22.4 dm3
B. 2.24 dm3
C. 1.12 cm3
D. 1.12 dm3

A. arrangement of electrons in orbitals
B. position in the periodic table
C. properties depend upon mass
D. chemical properties

A. H2SO4
B. HNO3
C. both A and B
D. none of the above

A. First-order reaction
B. Second-order reaction
C. Zero-order reaction
D. Third-order reaction