Practice Summary (2) - Chemical Reactions - IB 10 Sciences (Group 4) – Chemistry
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Practice Questions

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Question 1 Easy

Define reactants and products.

💡 Hint: Think about what goes into a reaction and what comes out.

Question 2 Easy

What is a synthesis reaction?

💡 Hint: It’s about combining to become more.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What type of reaction combines two elements to form a product?

Decomposition
Synthesis
Replacement

💡 Hint: Think about the word 'synthesize'.

Question 2

True or False: Exothermic reactions absorb energy.

True
False

💡 Hint: Remember that exo relates to releasing.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Explain why catalysts do not affect the overall energy change of a reaction despite speeding it up.

💡 Hint: Consider activation energy and its role in reactions.

Challenge 2 Hard

Design a method to measure the gas production rate in an hour-long reaction thoroughly.

💡 Hint: What tools might measure gas accurately?

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