Chemical Reactions and Equation-Types of Chemical Reactions [CBSE (Central Board of Secondary Education) Class-10 (Term 1 & 2 MCQ) Science]: Questions 36 - 41 of 50

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Question 36

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 37

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 38

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 39

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 40

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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Question 41

Question MCQ▾

A reaction opposite to the combination reaction is:

Choices

Choice (4)Response

a.

Displacement reaction

b.

Substitution reaction

c.

Decomposition reaction

d.

All of the above

Edit