Chemistry Multiple Choice Questions and Answers - 2

Question: 6

Galvanized iron sheets have a coating of

(A) Chromium

(B) Zinc

(C) Lead

(D) Tin

Question: 7

Balloons are filled with

(A) Argon

(B) Nitrogen

(C) Oxygen

(D) Helium

Question: 8

The most convenient was of expressing concentration is

(A) Mole fraction

(B) Molality

(C) Normality

(D) Molarity

Question: 9

Energy produced in nuclear reaction is given by

(A) Charles law

(B) Grahms law

(C) Einsteins law

(D) Gay-Lussac’s law

Question: 10

Which one of the following has maximum calorific value

(A) Coal gas

(B) Producer gas

(C) Water gas

(D) Oil gas