Carbon and Its Compounds-Chemical Properties of Carbon Compounds (CBSE (Central Board of Secondary Education- Board Exam) Class-10 Science): Questions 1 - 7 of 7

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Question number: 1

» Carbon and Its Compounds » Chemical Properties of Carbon Compounds » Addition Reaction

MCQ▾

Question

In addition reactions addition of small molecules such as:

Choices

Choice (4) Response

a.

Hydrogen

b.

Water and halogen acids

c.

Halogen

d.

None of the above

Question number: 2

» Carbon and Its Compounds » Chemical Properties of Carbon Compounds » Combustion

MCQ▾

Question

Combustion reaction takes place in:

Choices

Choice (4) Response

a.

Wood, cotton, cloth and paper

b.

Natural gas and biogas

c.

Ethanol

d.

All a. , b. and c. are correct

Question number: 3

» Carbon and Its Compounds » Chemical Properties of Carbon Compounds » Combustion

MCQ▾

Question

Saturated carbon compounds burns with which colour of flame in excess of oxygen:

Choices

Choice (4) Response

a.

Blue flame

b.

Sooty flame

c.

Smoky flame

d.

Yellow smoky flame

Question number: 4

» Carbon and Its Compounds » Chemical Properties of Carbon Compounds » Substitution Reaction

MCQ▾

Question

Substitution reactions take place in:

Choices

Choice (4) Response

a.

Saturated Hydrocarbons

b.

Alkanes

c.

Unsaturated hydrocarbons

d.

Both a. and b. are correct

Question number: 5

» Carbon and Its Compounds » Chemical Properties of Carbon Compounds » Oxidation

MCQ▾

Question

Methane gives carbon monoxide and H2O after:

Choices

Choice (4) Response

a.

Incomplete oxidation

b.

Complete oxidation

c.

Partial oxidation

d.

All of the above

Question number: 6

» Carbon and Its Compounds » Chemical Properties of Carbon Compounds » Combustion

MCQ▾

Question

A chemical reaction in which heat and light are given out is called as:

Choices

Choice (4) Response

a.

Combustion

b.

Rapid oxidation

c.

Both a. and b. are correct

d.

None of the above

Question number: 7

» Carbon and Its Compounds » Chemical Properties of Carbon Compounds » Addition Reaction

MCQ▾

Question

Hydrogenation is the:

Choices

Choice (4) Response

a.

In which one or more hydrogen atoms of a molecule are replaced by some other atoms or groups

b.

Addition of hydrogen to a unsaturated compound such as alkenes and alkynes

c.

Addition of hydrogen to a unsaturated carbon compound

d.

Both b. and c. are correct

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