The halide which is not hydrolysed is (A) SiCl4 (B) CCl4 (C) SiF4 (D) PbCl4 0 Chemistry MCQs Author: MCQs Master Report : If answer is wrong. August 4, 2021
Which of the following possesses the highest melting point? (A) p-Dichlorobenzene (B) o- Dichlorobenzene (C) Chlorobenzene (D) m-Dichlorobenzene 0 Chemistry MCQs Author: MCQs Master Report : If answer is wrong. August 4, 2021
Al is more reactive than Fe but Al is less easily corroded than Fe because (A) oxygen forms a protective reaction easily with water (B) Fe form mono and divalent ions. (C) Iron undergoes reaction easily with water (D) It is a noble metal 0 Chemistry MCQs Author: MCQs Master Report : If answer is wrong. August 4, 2021
In cold countries ethylene glycol is added to water in radiators of cars during winter. It results in (A) Lowering in freezing pt. (B) Lowering in b.pt. (C) Reducing viscosity (D) Reducing specific heat 0 Chemistry MCQs Author: MCQs Master Report : If answer is wrong. August 4, 2021
Chile salt petre is (A) Na2S2O3 (B) KNO3 (C) Na2SO4 (D) NaNO3 0 Chemistry MCQs Author: MCQs Master Report : If answer is wrong. August 4, 2021
Which has largest radius? (A) CO3+ (B) Cr3+ (C) Fe3+ (D) Mn3+ 0 Chemistry MCQs Author: MCQs Master Report : If answer is wrong. August 4, 2021
Which of the following alkali metal hydroxides is the strongest base? (A) NaOH (B) LiOH (C) CsOH (D) KOH 0 Chemistry MCQs Author: MCQs Master Report : If answer is wrong. August 4, 2021
2 g of oxygen contains number of atoms equal to that in (A) 2.3 g of sodium (B) 4 g of sulfur (C) 0.5 g of hydrogen (D) 7 g of nitrogen 0 Chemistry MCQs Author: MCQs Master Report : If answer is wrong. August 4, 2021
The valence orbital configuration of an element with atomic number 23 is (A) 3d3, 4s2 (B) 3d2, 4s2, 4p1 (C) 3d3, 4s1, 4p1 (D) 3d5 0 Chemistry MCQs Author: MCQs Master Report : If answer is wrong. August 4, 2021
Which of the following imparts violet colouration to non-luiminous flame of Bunsen burner? (A) CaCl2 (B) KCl (C) NaCl2 (D) BaCl2 0 Chemistry MCQs Author: MCQs Master Report : If answer is wrong. August 4, 2021