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GCSE Rates of Reaction flashcard

GCSE Rates of Reaction flashcard

Assessment

Flashcard

Chemistry

9th Grade

Practice Problem

Medium

Created by

Rebecca Wilkie

Used 1+ times

FREE Resource

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22 questions

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1.

FLASHCARD QUESTION

Front

What is the role of a catalyst in a chemical reaction?

Back

It increases the rate of the reaction.

2.

FLASHCARD QUESTION

Front

What is the effect of increasing the temperature on the rate of reaction?

Back

The rate of reaction increases.

3.

FLASHCARD QUESTION

Front

Why should the same person look at the black cross each time during the experiment investigating colour change?

Back

To ensure consistent judgment of when the cross disappears.

4.

FLASHCARD QUESTION

Front

What precaution should be taken to avoid burns from hot sodium thiosulfate solution?

Back

Do not heat above 60°C.

5.

FLASHCARD QUESTION

Front

What is a 'successful' collision in the context of reaction rates?

Back

A collision that results in the formation of products.

6.

FLASHCARD QUESTION

Front

What happens to the frequency of collisions when the temperature is increased?

Back

It increases.

7.

FLASHCARD QUESTION

Front

What is the effect of increasing the surface area to volume ratio on the rate of reaction?

Back

The rate of reaction increases.

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