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Learn POLICE SI MCQs with answers [Page 1 of Department 106]

R

Ram Sharma • 188.81K Points
Coach 

2) Which of the following one of the following organic compound is used to remove stains of iron compounds

(A) Benzoic acid
(B) Phthalic acid
(C) Cinnamic acid
(D) Oxalic acid
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Correct Answer - Option (D)

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R

Ram Sharma • 188.81K Points
Coach 

3) What is the max. Water Vapour content in the atmosphere -

(A) 2 to 3 per cent
(B) 4 to 5 per cent
(C) 5 to 6 per cent
(D) 3 to 4 per cent
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Correct Answer - Option (D)

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R

Ram Sharma • 188.81K Points
Coach 

4) Now-a-days yellow lamps are frequently used as street lights. Which among the given gases is used in these lamps -

(A) Sodium
(B) Nitrogen
(C) Hydrogen
(D) Neon
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Correct Answer - Option (A)

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R

Ram Sharma • 188.81K Points
Coach 

5) Pressure Cooker cooks faster as

(A) higher temperature is attained for cooking
(B) the material of the cooker is a good conductor
(C) it cooks the food at low pressure
(D) boiling point decreases with rise of pressure
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Correct Answer - Option (A)

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R

Ram Sharma • 188.81K Points
Coach 

6) Silver halides are used in photographic plates as they are

(A) reduced by light
(B) oxidised in air
(C) totally colourless
(D) soluble in hyposolution
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Correct Answer - Option (A)

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R

Ram Sharma • 188.81K Points
Coach 

7) What is the most common salt in sea water -

(A) Sodium chloride
(B) Potassium chloride
(C) Calcium carbonate
(D) Magnesium sulphate
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Correct Answer - Option (A)

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R

Ram Sharma • 188.81K Points
Coach 

9) Energy that is produced commercially from coal is called

(A) Potential energy
(B) Light energy
(C) Thermal energy
(D) Kinetic energy
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Correct Answer - Option (C)

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R

Ram Sharma • 188.81K Points
Coach 

10) Who among the following developed Hydrogen Bomb

(A) Edward Teller
(B) Wernher Von Braun
(C) J. Robert Oppen Heimer
(D) Samuel Cohen
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Correct Answer - Option (A)

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You are learning MCQ Questions of POLICE SI Department : 106 | Page : 1

Departments: Each department has 200 Multiple choice questions.
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