Quiz on Science Set 164

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Quiz on Science Set 164 :

Question 1 : 

Why is water not suitable for putting out a petrol fire
A. Water, being heavy, slips below petrol which so remains in contact with air & burns
B. The oxygen content of water is isolated by petrol & so it helps in burning
C. The heat required for combustion of petrol is very low
D. Petrol is too inflammable to be extinguished by water

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Correct Ans: Option A

Question 2 : 

Formic acid is produced by
A. Mosquitoes
B. Cockroaches
C. Red ants
D. White ants

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Correct Ans: Option C

Question 3 : 

In deep-sea diving, divers use a mixture of gases consisting of oxygen &
A. hydrogen
B. argon
C. nitrogen
D. helium

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Correct Ans: Option C

Question 4 : 

Glass is a -
A. pure solid
B. polymer
C. gel
D. supercooled liquid

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Correct Ans: Option D

Question 5 : 

Which of the following one of the following metals is used to galvanise iron
A. Zinc
B. Lead
C. Copper
D. Mercury

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Correct Ans: Option A

Question 6 : 

In heating frozen foods in sealed pouches in a microwaves, why do you 1st poke holes in the pouch
A. To allow the aroma of the food to come out through the holes
B. To allow the microwaves to get into the food through the holes
C. To prevent the steam pressure from bursting open the pouch
D. To allow the heat to get into the food through the hole

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Correct Ans: Option C

Question 7 : 

Soap is prepared by boiling caustic soda with
A. Fats
B. Alcohol
C. Kerosene oil
D. Glycerine

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Correct Ans: Option D

Question 8 : 

'Milk Sugar' is
A. Sucrose
B. Lactose
C. Galactose
D. Maltose

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Correct Ans: Option B

Question 9 : 

In a medium heat flows by the actual movement of the particles of the medium. This process of heat transmission is known as
A. Conduction
B. Convection
C. Diffraction
D. Radiation

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Correct Ans: Option B

Question 10 : 

Burning pyrites ore gives out
A. Nitrogen dioxide gas
B. Sulphur dioxide gas
C. Nitric oxide gas
D. Carbon dioxide gas

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Correct Ans: Option B

Quiz Summary

Here the correct answers of every question in this quiz.

Q.1 [A],     Q.2 [C],     Q.3 [C],     Q.4 [D],     Q.5 [A],     Q.6 [C],     Q.7 [D],     Q.8 [B],     Q.9 [B],     Q.10 [B],    


Total Questions: 10
Your score:
Subject: Science
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