A. Na B. K C. Ca D. Al Correct Answer: Option A - Na
A. Ca(NO3)2 B. Cu(NO3)2 C. Mg(NO3)2 D. Al(NO3)3 Correct Answer: Option B - Cu(NO3)2
A. It forms tetraoxosulphate (VI) acid with water B. It is an odourless gas C. It is an acid hydride…
A. Fe B. Cu C. Ca D. Sn Correct Answer: Option A - Fe
A. s orbitals B. p orbitals C. d orbitals D. f orbitals Correct Answer: Option C - d orbitals
A. adding concentrated hydrochloric acid to solid manganese (IV) oxide B. adding concentrated tetraoxosulphate (VI) acid to solid sodium chloride…
A. Alcohol B. Sodium acetate solution C. Solid potassium hydroxide D. Mercury Correct Answer: Option B - Sodium acetate solution
A. positive change B. negative entropy change C. no entropy change D. a minimum entropy change Correct Answer: Option C…
A. Na+ and Cl¯ B. Na+ and OH¯ C. H+ and OH¯ D. H+ and Cl¯ Correct Answer: Option D…
A. 2SO3(g) ↔ 2SO2(g) + O2(g) B. 2CO2(g) ↔ 2CO(g) + O2(g) C. 2H2(g) + O2(g) ↔ 2H2O(g) D. 2NO(g)…