Quiz on Science Set 170

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Quiz on Science Set 170 :

Question 1 : 

The chemical name of 'laughing gas' is
A. Nitrogen pentoxide
B. Nitrogen dioxide
C. Nitric oxide
D. Nitrous oxide

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Correct Ans: Option D

Question 2 : 

Which among the given instruments is used to measure humidity
A. Clinical Thermometer
B. Anemometer
C. Sling Psychrometer
D. Kata Thermometer

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Correct Ans: Option C

Question 3 : 

Fermentation of milk to curd is due to:
A. Mycobacterium
B. Yeasts
C. Lactobacillus
D. Staphylococcus

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Correct Ans: Option C

Question 4 : 

The acid present in red ants is
A. Butyric acid
B. Formic acid
C. Acetic acid
D. Caproic acid

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Correct Ans: Option B

Question 5 : 

Cocking gas is a mixture of
A. butane & propane
B. carbon dioxide & oxygen
C. carbon monoxide & carbon dioxide
D. methane & ethylene

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Correct Ans: Option A

Question 6 : 

A catalyst is a substance which
A. Changes the equilibrium of a reaction so that the concentration of the product increases
B. Increases the activation energy
C. Increases the rate of reaction and increases the equilibrium concentration of products
D. Hastens the attainment of equilibrium

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Correct Ans: Option D

Question 7 : 

Which among the given statements about the physical properties of metal is not right?
A. All metals are solid except mercury
B. Most metals are hard except sodium and potassium
C. Most metals are ductile
D. Metals are not malleable

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Correct Ans: Option D

Question 8 : 

To draw maximum current from a combination of cells, how should the cells be grouped?
A. Depends upon the relative values of external and internal resistance
B. Mixed
C. Series
D. Parallel

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Correct Ans: Option A

Question 9 : 

The unit of ionic product of water (Kw) is:
A. Mol2 let-2
B. Mol-1 let-1
C. Mol2 let-1
D. Mol-1 let-2

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Correct Ans: Option B

Question 10 : 

A fractionating column is a glass apparatus used to
A. Separate a mixture in water
B. Separate two or more liquids
C. Extract oils from vegetable matter
D. Separate magnetic solids from nonmagnetic solids

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Correct Ans: Option B

Quiz Summary

Here the correct answers of every question in this quiz.

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


Total Questions: 10
Your score:
Subject: Science
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