Chemistry-Carbon and Its Compounds (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 1 - 4 of 17

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Question number: 1

» Chemistry » Carbon and Its Compounds

MCQ▾

Question

A compound ‘X’ is an alkane. It is the main constituent of natural gas and abundantly found in marshy areas. In presence of sunlight, it reacts with chlorine and forms chloroform, but in absence of sunlight, it does not reacts with chlorine. Identify ‘X’.

Choices

Choice (4) Response

a.

Methane

b.

Butane

c.

Ethane

d.

Propane

Question number: 2

» Chemistry » Carbon and Its Compounds

MCQ▾

Question

The formula for the carboxylic acid functional group is

Choices

Choice (4) Response

a.

Various functional group bonds given – Choice A

Various Functional Group Bonds Given – Choice A

Here are the various functional groups explained

b.

 Various functional group bonds given – Choice B

Various Functional Group Bonds Given – Choice B

Here are the various functional groups explained

c.

 Various functional group bonds given – Choice C

Various Functional Group Bonds Given – Choice C

Here are the various functional groups explained

d.

Various functional group bonds given – Choice D

Various Functional Group Bonds Given – Choice D

Here are the various functional groups explained

Question number: 3

» Chemistry » Carbon and Its Compounds

MCQ▾

Question

Ionic compounds

Choices

Choice (4) Response

a.

They can conduct electricity

b.

These are soluble in water

c.

They possess high melting points Identify the wrong statement.

d.

These are usually amorphous solids

Question number: 4

» Chemistry » Carbon and Its Compounds

MCQ▾

Question

When you are finished using a Bunsen burner you should

Choices

Choice (4) Response

a.

leave it on for the next person to use. It’s the only considerate choice

b.

pull off the hose connecting the burner to the gas. The burner won’t have gas so it won’t be on fire

c.

cover the burner with an inverted beaker to suffocate the flame

d.

turn off the gas

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