General Science QUESTIONS AND ANSWERS

General Knowledge : General Science QUESTIONS AND ANSWERS :: part23 : 16 to 20

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

16.Which of the following quantum numbers is/are required to describe the state of an electron ? 1. Principal 2.Azimuthal3. Magnetic 4. Spin

1 only

1 and 2

1, 2 and 3

1, 2, 3 and 4

17.Most soluble in water is :

camphor

sugar

sulphur

common salt

18.When an electric bulb breaks, there is a mild bang due to :

the chemical reaction between the enclosed gases

the compressed gases rushing out suddenly

the air rushing in to fill the evacuated space

none of the above

19.The fractionation of petroleum gives many products. What is the correct order in which the various fractions mentioned below separate from petroleum ? 1. Gasoline 2. Kerosene3. Diesel oil 4. Lubricating oil

1, 2, 3, 4

2, 3, 4, 1

3, 2, 1, 4

4, 2, 3, 1

20.Which form of phosphorus is used in safety matches ?

White phosphorus

Yellow phosphorus

Red phosphorus

Black phosphorus

More General Science QUESTIONS AND ANSWERS available in next pages

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

If your ship doesnât come in, swim out to meet it!-Jonathan Winters

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General Knowledge Questions And Answers :: General Science: part23

General Science QUESTIONS AND ANSWERS

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