NCERT Class 10 Science-Chemical Reactions and Equation[Types of Chemical Reactions] [NCERT Based General Studies (GS)]: Questions 1 - 6 of 16

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Question 1

Question MCQ▾

A chemical species which can lose electrons to some other species is called as:

Choices

Choice (4)Response

a.

Reducing agent

b.

Oxidising agent

c.

Thermite reaction

d.

All of the above

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Question 2

Question MCQ▾

A reaction in which two or more substances combine together to form a new substance is called as:

Choices

Choice (4)Response

a.

Combustion reaction

b.

Synthesis reaction

c.

Combination reaction

d.

All of the above

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Question 3

Question MCQ▾

An important industrial application of combination reaction is

Choices

Choice (4)Response

a.

Synthesis of hydrogen chloride gas

b.

Synthesis of magnesium oxide

c.

Slurry for white washing

d.

All of the above

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Question 4

Question MCQ▾

A reaction in which oxidation and reduction takes place simultaneously are called

Choices

Choice (4)Response

a.

Oxidation reduction

b.

Redox reaction

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

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Question 5

Question MCQ▾

is an example of:

Choices

Choice (4)Response

a.

Reduction reaction

b.

Redox reaction

c.

Oxidation reaction

d.

Question does not provide sufficient data or is vague

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Question 6

Question MCQ▾

In displacement reaction:

Choices

Choice (4)Response

a.

These are substitution reactions

b.

One part of a molecule is replaced by another

c.

d.

All a., b. and c. are correct

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