General Science QUESTIONS AND ANSWERS

General Knowledge : General Science QUESTIONS AND ANSWERS :: part15 : 51 to 55

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

51.Which of the following is correctly matched ? 1. LYMAN series - Visible region 2. BALMER series - Ultraviolet region 3. PASCHEN series - Infrared region

a and 2

2 and 3

3 only

1, 2 and 3 only

52.Given below are two statements, labelled as Assertion (A) and Reason (R). In the context of the two statements, which of the following is correct ?Assertion (A) : Water is both acidic and basic.Reason : The pH of water is seven.

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.

53.Both sodium atoms and sodium ions have the same number of

electrons

electric charge

protons

electron shells

54.A needle made of steel floats on water if it is placed horizontally because of

Viscosity

Surface tension

Capillary action

None of these

55.Which of the following gases is present under pressure in soft drinks ?

Carbon dioxide

Oxygen

Nitrous oxide

Nitrogen

More General Science QUESTIONS AND ANSWERS available in next pages

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

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General Knowledge Questions And Answers :: General Science: part15

General Science QUESTIONS AND ANSWERS

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