Combustion & Flame

Combustion & Flame

8th Grade

15 Qs

quiz-placeholder

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Combustion & Flame

Combustion & Flame

Assessment

Quiz

Science

8th Grade

Practice Problem

Medium

Created by

Devendra swami

Used 117+ times

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15 questions

Show all answers

1.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Name the most common fire extinguisher.

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

What is the unit for expressing the calorific value of a fuel?

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following fuels is used for running automobiles?

(a) CNG

(b) Petrol

(c) Both (a) and (b)

(d) Wood

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Magnesium burns to form

(a) calcium carbonate

(b) magnesium oxide

(c) calcium oxide

(d) magnesium sulphate

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Name the chemical process in which a substance reacts with oxygen to give out heat.

(a) Reaction

(b) Junction

(c) Combustion

(d) All of these

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Combustible substances are also known as

(a) inflammable

(b) flaming

(c) illuminous

(d) non-flammable

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In the sun, light and heat are produced by

(a) chemical reactions

(b) nuclear reactions

(c) burning reactions

(d) bunsen burner

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