Aiden Gill, Heidi Foxford and, Dorothy Warren Solutions for Chapter: Reactivity and Rates of Reaction, Exercise 5: Test-style questions

Author:Aiden Gill, Heidi Foxford & Dorothy Warren

Aiden Gill Science Solutions for Exercise - Aiden Gill, Heidi Foxford and, Dorothy Warren Solutions for Chapter: Reactivity and Rates of Reaction, Exercise 5: Test-style questions

Attempt the practice questions on Chapter 7: Reactivity and Rates of Reaction, Exercise 5: Test-style questions with hints and solutions to strengthen your understanding. Cambridge Lower Secondary Science Stage 9: Workbook solutions are prepared by Experienced Embibe Experts.

Questions from Aiden Gill, Heidi Foxford and, Dorothy Warren Solutions for Chapter: Reactivity and Rates of Reaction, Exercise 5: Test-style questions with Hints & Solutions

MEDIUM
Lower Secondary Stage 9
IMPORTANT

Mary and Mia are making lemonade. They add some sugar to make it sweeter. Mary adds three sugar cubes to her lemonade. Mia adds the same mass of sugar granules to her lemonade.

Whose sugar will dissolve first? Give a reason for your answer.

MEDIUM
Lower Secondary Stage 9
IMPORTANT

Mary and Mia are making lemonade. They add some sugar to make it sweeter. Mary adds three sugar cubes to her lemonade. Mia adds the same mass of sugar granules to her lemonade.

What could Mia do to speed up the rate at which her sugar dissolves?

MEDIUM
Lower Secondary Stage 9
IMPORTANT

Mary and Mia are making lemonade. They add some sugar to make it sweeter. Mary adds three sugar cubes to her lemonade. Mia adds the same mass of sugar granules to her lemonade.

Use your ideas about particles to explain your answer to what could Mia do to speed up the rate at which her sugar dissolves?

MEDIUM
Lower Secondary Stage 9
IMPORTANT

Look at the diagram of the reactivity series. It shows some metals in order of reactivity.

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Name a metal in the diagram that will not react with dilute acid.

EASY
Lower Secondary Stage 9
IMPORTANT

Look at the diagram of the reactivity series. It shows some metals in order of reactivity.

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Name a metal that will react with cold water.

EASY
Lower Secondary Stage 9
IMPORTANT

Look at the diagram of the reactivity series. It shows some metals in order of reactivity.

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Name two metals that react slowly with hydrochloric acid.

EASY
Lower Secondary Stage 9
IMPORTANT

Look at the diagram of the reactivity series. It shows some metals in order of reactivity.

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Complete this word equation:

calcium + hydrochloric acid  _____ + _____

MEDIUM
Lower Secondary Stage 9
IMPORTANT

Look at the diagram of the reactivity series. It shows some metals in order of reactivity.

Question Image 

Use the reactivity series to predict which of the displacement reactions below will take place.