Practice WHAT YOU HAVE LEARNT - 4.9 | 4. COMBUSTION AND FLAME | CBSE 8 Science
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WHAT YOU HAVE LEARNT

4.9 - WHAT YOU HAVE LEARNT

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is combustion?

💡 Hint: Remember it involves burning.

Question 2 Easy

Name a combustible material.

💡 Hint: Think of something used for fuel.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the process of combustion?

Freezing
Burning
Condensation

💡 Hint: It involves heat and light.

Question 2

True or False: All fuels burn at the same temperature.

True
False

💡 Hint: Recall the notion of ignition temperature.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

If the calorific value of a fuel is 43,000 kJ/kg, how much energy will 2.5 kg yield?

💡 Hint: Use the formula: Energy = Calorific Value x Mass.

Challenge 2 Hard

A forest fire can spread if dry conditions are not addressed. Propose measures to prevent such fires from spreading.

💡 Hint: Think about prevention tactics in fire control.

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