Practice Surface Area of Reactants - 2.3 | Rate of Reactions | IB MYP Class 10 Sciences (Group 4) – Chemistry
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What happens to the reaction rate when the surface area of a solid reactant is increased?

💡 Hint: Think about how many pieces a solid can become.

Question 2

Easy

Give an example of a solid reactant that reacts faster when powdered.

💡 Hint: Consider the acid reaction example.

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

How does increasing the surface area of a reactant affect the rate of reaction?

  • It decreases the rate.
  • It has no effect.
  • It increases the rate.

💡 Hint: Think of how different shapes of the same material react.

Question 2

True or False: Smaller pieces of solids react slower than larger pieces.

  • True
  • False

💡 Hint: Consider the collision opportunities for each size.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

If a solid reactant is crushed into a fine powder, how does this affect the overall reaction time in a real-life industrial process, such as in the manufacturing of cement?

💡 Hint: Consider the differences in contact between materials.

Question 2

Propose a method for quantifying the speed of reaction with varying surface areas of solids, detailing measurements and data collection.

💡 Hint: Think about how you could visualize this comparison clearly.

Challenge and get performance evaluation