Practice Exercises - 4.10 | 4. COMBUSTION AND FLAME | CBSE 8 Science
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What are the three conditions necessary for combustion?

💡 Hint: Use the acronym FOH.

Question 2

Easy

Name a solid fuel used in homes.

💡 Hint: Think about what we burn for warmth.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

Which of the following is NOT a condition for combustion?

  • Fuel
  • Oxygen
  • Water

💡 Hint: Recall the three elements needed.

Question 2

True or False: LPG is considered an ideal fuel due to its low ignition temperature.

  • True
  • False

💡 Hint: Think about the definition of an ideal fuel.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A fuel has a calorific value of 12,000 kJ/kg. If 3 kg of the fuel is burned completely, how much energy is released?

💡 Hint: Use the basic formula for energy.

Question 2

Discuss why understanding combustion is crucial for designing safety protocols in industries.

💡 Hint: Think about the role of safety equipment.

Challenge and get performance evaluation