Quiz on Chemistry Set 100

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Quiz on Chemistry Set 100 :

Question 1 : 

Acid rain is caused due to pollution of atmosphere by
A. oxides of carbon and nitrogen
B. oxides of nitrogen and Sulphur
C. oxides of nitrogen and phosphorous
D. None of these

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Correct Ans: Option B

Question 2 : 

A mixture of water and alcohol can be separated by
A. Distillation
B. Decantation
C. Evaporation
D. Filtration

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Correct Ans: Option A

Question 3 : 

Which of the following is caused by the higher concentration of Nitrogen and Phosphorous?
A. Acidity
B. Alkalinity
C. Hardness
D. Eutrophication

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Correct Ans: Option D

Question 4 : 

The manufacture of iron from iron ore involves the process of
A. electrolysis
B. fractional distillation
C. reduction
D. oxidation

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Correct Ans: Option C

Question 5 : 

Brass gets discolored in air because of the presence of which of the following gases in air?
A. Nitrogen
B. Carbon dioxide
C. Hydrogen Sulphide
D. Oxygen

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Correct Ans: Option C

Question 6 : 

Consider the following chemical reaction :

aFe2O3(s) + bCO(g) + cFe(s) + dCO2

In the balanced chemical equation of the above, which of the following will be the values of the coefficients a, b, c and d respectively?
A. 3, 2, 3, 1
B. 1, 3, 2, 3
C. 2, 3, 3, 1
D. 3, 3, 2, 1

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Correct Ans: Option B

Question 7 : 

The presence or absence of hydroxy group on which carbon atom of sugar differentiates RNA and DNA ?
A. 4th
B. 2nd
C. 3rd
D. 1st

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Correct Ans: Option B

Question 8 : 

A pure substance can only be
A. Compound
B. an element
C. an element or a compound
D. a heterogeneous mixture

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Correct Ans: Option C

Question 9 : 

Orlon is a polymer of
A. Dacron
B. Acrylonitrile
C. Polyamide Nylon
D. None of the above

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Correct Ans: Option B

Question 10 : 

Which of the following carbon compounds is used as a fire- extinguisher?
A. Carbon disulphide
B. Chloroform
C. Carbon tetrachloride
D. Methyl ene chloride

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Correct Ans: Option C

Quiz Summary

Here the correct answers of every question in this quiz.

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


Total Questions: 10
Your score:
Subject: Chemistry
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