Chemical Engineering MCQ questions and verified answers|100% correct|grade a+

Chemical Engineering MCQ questions and
verified answers|100% correct|grade a+
1. Beryllium Sulphate is less soluble in water due to ?



(a) High inflammable energy

(b) Low Energy of dissociation

(c) Low inflammable energy

(d) ionic band - ANSWER Answer: Option A



2. What is the name of that system which uses radioactivity to decide the period of materials of pre his
tone period ?

(a) Radium dating

(b) Uranium dating

(c) Carbon dating

(d) Deuterium dating - ANSWER Answer: Option C



3. Cement is made hard with

(a) dehydration

(b) hydration and dissociation of water

(c) Dissociation of water

(d) Polymerisation - ANSWER Answer: Option B



4. What happens when a chemical bond is formed?

(a) energy is always absorbed

(b) energy in always released

(c) more energy is released than is absorbed

(d) energy is neither released nor absorbed - ANSWER Answer: Option A



5. Which among the following is a carbohydrate?

, (a) Nylon

(b) Cane sugar

(c) Turpentine

(d) Hydrogen peroxide - ANSWER Answer: Option B



6. In which of the following states maximum iron ore is found ?

(a) FeCO3

(b) Fe2O3

(c) Fe3O4

(d) FeS2 - ANSWER Answer: Option B



7. Which one of the following metals pollutes the air of a city having large number of automobiles?

(a) Cadmium

(b) Chromium

(c) Lead

(d) Copper - ANSWER Answer: Option C



8. What is the Chemical name for baking soda?

(a) Sodium carbonate

(b) Sodium bicarbonate

(c) Sodium nitrite

(d) Sodium nitrate - ANSWER Answer: Option B



9. An atomic pile is used for

(a) producing X rays

(b) conducting nuclear fission

(c) conducting thermonuclear fusion

(d) accelerating atoms - ANSWER Answer: Option B