Dr. J M D'Souza and Dr. Kirti J D'Souza Solutions for Chapter: Combustion and Flame, Exercise 4: HIGHER ORDER THINKING SKILLS
Dr. J M D'Souza Science Solutions for Exercise - Dr. J M D'Souza and Dr. Kirti J D'Souza Solutions for Chapter: Combustion and Flame, Exercise 4: HIGHER ORDER THINKING SKILLS
Attempt the free practice questions on Chapter 6: Combustion and Flame, Exercise 4: HIGHER ORDER THINKING SKILLS with hints and solutions to strengthen your understanding. EUREKA PLUS Revised Bringing Science to Life solutions are prepared by Experienced Embibe Experts.
Questions from Dr. J M D'Souza and Dr. Kirti J D'Souza Solutions for Chapter: Combustion and Flame, Exercise 4: HIGHER ORDER THINKING SKILLS with Hints & Solutions
In summer, white phosphorous begins to burn on its own. Give reasons?

Give reasons why a match stick can be lit by striking it on a rough surface of a floor?

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

Give reason: Ideal fuel cannot have very low ignition temperature.

Give reason: In a burning candle, the wax below the flame melts but does not catch fire.

Give reason: Combustion of petrol produces heat.

Give reason: It is difficult to burn wet cloth.

Explain why wood can be considered to be an ideal fuel for cooking in a remote village on a mountain.
