NCERT Class 8 Science-Combustion and Flame[Flame] [NCERT Based General Studies (GS)]: Questions 1 - 4 of 4

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Question 1

NCERT Class 8 Science Combustion and Flame[Flame]Structure of a Flame

Question MCQ▾

Hottest part of flame is:

Choices

Choice (4)		Response
a.	Zone A
b.	Outermost zone
c.	Zone B
d.	Both a. and b. are correct

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Question 2

NCERT Class 8 Science Combustion and Flame[Flame]What is Flame

Question MCQ▾

Which types of substances form flame?

Choices

Choice (4)		Response
a.	Combustible substances which have very low ignition temperature and can easily catch fire.
b.	Combustible gas burns rapidly and produces heat and light
c.	Combustible substance which produces energy when burnt
d.	Combustible substances which vaporise during burning form a flame

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Question 3

NCERT Class 8 Science Combustion and Flame[Flame]Structure of a Flame

Question MCQ▾

Part of the candle flame which is least hot and black in colour is:

Choices

Choice (4)		Response
a.	Zone B
b.	Zone C
c.	Innermost region
d.	Both b. and c. are correct

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Question 4

NCERT Class 8 Science Combustion and Flame[Flame]Structure of a Flame

Question MCQ▾

Zone of the candle flame which is yellow in colour is:

Choices

Choice (4)		Response
a.	Innermost zone
b.	Middle zone
c.	Zone B
d.	Both b. and c. are correct

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