K.K. GUPTA and STALIN MALHOTRA Solutions for Chapter: Combustion and Flame, Exercise 3: EXERCISES

Author:K.K. GUPTA & STALIN MALHOTRA

K.K. GUPTA Science Solutions for Exercise - K.K. GUPTA and STALIN MALHOTRA Solutions for Chapter: Combustion and Flame, Exercise 3: EXERCISES

Attempt the practice questions on Chapter 6: Combustion and Flame, Exercise 3: EXERCISES with hints and solutions to strengthen your understanding. Frank Experience Science solutions are prepared by Experienced Embibe Experts.

Questions from K.K. GUPTA and STALIN MALHOTRA Solutions for Chapter: Combustion and Flame, Exercise 3: EXERCISES with Hints & Solutions

EASY
8th CBSE
IMPORTANT
Frank Experience Science>Chapter 6 - Combustion and Flame>EXERCISES>Q 1

What is the unit of calorific value of fuel?

EASY
8th CBSE
IMPORTANT
Frank Experience Science>Chapter 6 - Combustion and Flame>EXERCISES>Q 2

Which among the following is a combustible substance?

MEDIUM
8th CBSE
IMPORTANT
Frank Experience Science>Chapter 6 - Combustion and Flame>EXERCISES>Q 3

Which of the following burns without producing a flame?

EASY
8th CBSE
IMPORTANT
Frank Experience Science>Chapter 6 - Combustion and Flame>EXERCISES>Q 4

Which among the following zones of a candle flame is the hottest zone?

MEDIUM
8th CBSE
IMPORTANT
Frank Experience Science>Chapter 6 - Combustion and Flame>EXERCISES>Q 5

Which of the following is not used to extinguish a fire from electrical equipment?

EASY
8th CBSE
IMPORTANT
Frank Experience Science>Chapter 6 - Combustion and Flame>EXERCISES>Q 2

Name the fuel which is gradually replacing petrol and diesel

MEDIUM
8th CBSE
IMPORTANT
Frank Experience Science>Chapter 6 - Combustion and Flame>EXERCISES>Q 5

Name one fuel which burns without producing a flame.

EASY
8th CBSE
IMPORTANT
Frank Experience Science>Chapter 6 - Combustion and Flame>EXERCISES>Q 2

It is difficult to burn a heap of green leaves, but dry leaves catch fire easily. Explain why?