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Chemistry Questions Answers

Q61 :

Which of the following is the main component of the natural gas?

A
  

Ethane

B
  

Butane

C
  

Carbon monoxide

D
  

Methane

View Answer
Correct Answer: D

Methane

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Q62 :

Graphene is _______?

A
  

An alloy of carbon

B
  

Nano structure of carbon

C
  

Isotope of carbon

D
  

None of the above

View Answer
Correct Answer: B

Nano structure of carbon

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Q63 :

The maximum density of water is at—

A
  

373 Kelvin

B
  

277 Kelvin

C
  

273 Kelvin

D
  

269 Kelvin

View Answer
Correct Answer: B

277 Kelvin

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