set 2 MCQ Questions & Answers Detailed Explanation

MOST IMPORTANT general science mcq - 3 EXERCISES

Top 30,000+ General Science Memory Based Exercises

The following question based on fuel, food preservation, nutrition, medicine, detergents and fertilizers topic of general science mcq

Questions : Assertion (A):
Synthetic detergents can make more lather in hard water.
Reason (R):
Synthetic detergents form soluble calcium and magnesium salts with hard water.
Code

(a) Both (A) and (R) are true, but (R) is not the correct explanation of (A)

(b) (A) is true, but (R) is false

(c) Both (A) and (R) are true and (R) is the correct explanation of (A)

(d) (A) is false, but (R) is true

The correct answers to the above question in:

Answer: (c)

Practice fuel, food preservation, nutrition, medicine, detergents and fertilizers (set 2) Online Quiz

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Read more basic chemistry quiz Based General Science Questions and Answers

Question : 1

Gasohol is

a) Any gas dissolved in alcohol

b) Ethyl alcohol + Petrol

c) Natural gas + Ethyl alcohol

d) Ethyl alcohol + Kerosene oil

Answer: (b)

Question : 2

The stench due to leakage from LPG cylinder is because of

a) Butane

b) Methane

c) Propane

d) Ethyl mercaptan

Answer: (d)

Question : 3

Charcoal which is used in decolouring raw sugar is

a) Sugar charcoal

b) Animal charcoal

c) Wood charcoal

d) Coconut charcoal

Answer: (b)

Question : 4

Which one of the following forms an irreversible complex with a haemoglobin of the blood?

a) Pure Nitrogen gas

b) Carbon Monoxide

c) Carbon Dioxide

d) A mixture of Carbon Dioxide and Helium

Answer: (b)

Question : 5

The main component of Liquid Petroleum Gas (LPG) are

a) Ethane, Propane and Butane

b) Methane, Ethane and Hexane

c) Methane, Pentane and Hexane

d) Methane, Carbon Monoxide and Hydrogen

Answer: (a)

Question : 6

The element not present in fertilizers is

a) Chlorine

b) Nitrogen

c) Hydrogen

d) Phosphorus

Answer: (c)

GET fuel, food preservation, nutrition, medicine, detergents and fertilizers PRACTICE TEST EXERCISES

objective questions set 1

set 2

set 3

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