NCERT Solutions for Chapter: Combustion and Flame, Exercise 1: Exercise
NCERT Science Solutions for Exercise - NCERT Solutions for Chapter: Combustion and Flame, Exercise 1: Exercise
Attempt the practice questions on Chapter 6: Combustion and Flame, Exercise 1: Exercise with hints and solutions to strengthen your understanding. Science Textbook of Competency Based Questions for Class VIII solutions are prepared by Experienced Embibe Experts.
Questions from NCERT Solutions for Chapter: Combustion and Flame, Exercise 1: Exercise with Hints & Solutions
Which of these is correct about spontaneous combustion?

How does dumping sand on fire extinguish the flame?

Which of these materials is combustible?

Water is used to extinguish fire because it

An eleven-year old naughty boy Krish took the keys of his father's car without his father's permission. He went inside the garage, closed it and started the ignition. After a few minutes, he started coughing. His father, fortunately, went into the garage, opened it, immediately brought him out and rescued him. Krish's mother asked her husband the reason for Krish's condition. What explanation did the father give?

Give reason: Dry wood is an essential fuel for camp fire.

Give reason: It is difficult to burn wet cloth.

of a fuel produces of heat energy on complete combustion. Calculate the calorific value of the fuel.
