General Science QUESTIONS AND ANSWERS

General Knowledge : General Science QUESTIONS AND ANSWERS :: part18 : 16 to 20

Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2014 examinations :

16.Given below are two statements, labeled as Assertion (A) and Reason (R). In the context of the two statements, which of the following is correct ? 1. Assertion (A) : For the production of aluminium, cheap electricity is essential. 2. Reason (R) : Extraction of aluminium from its ore requires abundant supply of electricity.

Both A and R are true and R is the correct explanation of A.

Both A and R are true but R is not the correct explanation of A.

A is true but R is false.

A is false but R is true.

17.The anti-knocking compound used in pettol-engines is :

diethyl Lead

tetra-ethyl Lead

triethyl Lead

mono ethyl Lead

18.Clear nights are colder than cloudy nights because of

conduction

condensation

radiation

insolation

19.The essential element in all organic compounds is

nitrogen

sulphur

carbon

chlorine

20.Which one of the following fertilizers has more nitrogen content ?

Urea

Ammonium Nitrate

Potassium Nitrate

Ammonium Phosphate

More General Science QUESTIONS AND ANSWERS available in next pages

Health is the greatest gift, contentment is the greatest wealth -Buddha

Failure defeats losers, failure inspires winners.-Robert T. Kiyosaki

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General Knowledge Questions And Answers :: General Science: part18

General Science QUESTIONS AND ANSWERS

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