Acids and metals

This lesson looks at the observations made when a chemical reaction takes place, before focussing specifically on the reactions between metals and acids. This lesson also contains a practical, providing the opportunity for you to complete one of these reactions yourself.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Q1.Which is correct about conservation of mass?

Mass is created during a reaction. The total mass of the reactants equals the total mass of the products. Mass is either created or destroyed during a reaction. The total mass of the reactants equals the total mass of the products (if you performed the experiment correctly).

1/6

Q2.Ammonia can be made by reacting nitrogen and hydrogen together. How many grams of hydrogen will react with 6g of nitrogen to form 11g of ammonia?

You can only know the answer by doing the experiment. 17g 6g 5g

2/6

Q3.Which of these equations is balanced correctly?

3N₂ + H₂ --> 3NH₃ N₂ + H₂ --> NH₃ N₂ + H₆ --> NH₆ N₂ + 3H₂ --> 2NH₃

3/6

Q4.Which of these equations is balanced correctly?

2Mg + O₂ --> MgO 2Mg + O₂ --> 2MgO Mg + O₂ --> 2MgO 2Mg + 2O₂ --> 4MgO

4/6

Q5.Which of these equations is balanced correctly?

O₂ + 2H₂ --> 2H₂O O₂ + 2H₂ --> H₂O₂ O₂ + H₂ --> 2H₂O 2O₂ + H₂ --> 2H₂O

5/6

Q6.Revision - what is the relative formula mass of carbon dioxide (CO₂)? Carbon has a mass of 12 and oxygen has a mass of 16.

3 44 28 40

6/6

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Q1.Which is correct about conservation of mass?

1/6

Q2.Ammonia can be made by reacting nitrogen and hydrogen together. How many grams of hydrogen will react with 6g of nitrogen to form 11g of ammonia?

You can only know the answer by doing the experiment. 17g 6g 5g

2/6

Q3.Which of these equations is balanced correctly?

3N₂ + H₂ --> 3NH₃ N₂ + H₂ --> NH₃ N₂ + H₆ --> NH₆ N₂ + 3H₂ --> 2NH₃

3/6

Q4.Which of these equations is balanced correctly?

2Mg + O₂ --> MgO 2Mg + O₂ --> 2MgO Mg + O₂ --> 2MgO 2Mg + 2O₂ --> 4MgO

4/6

Q5.Which of these equations is balanced correctly?

O₂ + 2H₂ --> 2H₂O O₂ + 2H₂ --> H₂O₂ O₂ + H₂ --> 2H₂O 2O₂ + H₂ --> 2H₂O

5/6

Q6.Revision - what is the relative formula mass of carbon dioxide (CO₂)? Carbon has a mass of 12 and oxygen has a mass of 16.

3 44 28 40

6/6

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This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Acids and Metals

This quiz will assess you on knowledge learned in today's lesson, as well as what you have learned in earlier lessons.

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Q1.What is a chemical reaction?

A process in which a new substance is formed. A process that causes a substance to change size. A process that causes a substance to change shape. A process that causes a substance to change state.

1/7

Q2.Which of the following is NOT an observation from a chemical reaction?

The temperature rose by 12 degrees celcius. The colour of the solution changed from blue to purple. The ice melted into water. Bubbles of oxygen were released.

2/7

Q3.What is the correct general equation for a metal reacting with an acid?

Metal + Acid --> Vinegar + Hydrogen Metal + Acid --> Salt + Oxygen Metal + Acid --> Salt + Gas Metal + Acid --> Salt + Hydrogen

3/7

Q4.What salt is produced when sodium reacts with hydrochloric acid?

Sodium sulfate Sodium chloride Sodium chlorine Sodium hydrogen

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Q5.Copper + _____________ → copper sulfate + hydrogen. What substance is missing from this equation?

Sulfuric acid Sulfur Hydrochloric acid Nitric acid

5/7

Q6.What type of splint do you need to use when testing for hydrogen gas?

A glowing splint A wet splint A damp splint A lit splint

6/7

Q7.When testing for hydrogen gas, what result do you get if hydrogen is present?

A glowing splint relights. The hydrogen burns with a squeaky pop. The damp splint catches fire. The hydrogen burns with a deep pop.

7/7

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Acids and Metals

This quiz will assess you on knowledge learned in today's lesson, as well as what you have learned in earlier lessons.

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Q1.What is a chemical reaction?

A process in which a new substance is formed. A process that causes a substance to change size. A process that causes a substance to change shape. A process that causes a substance to change state.

1/7

Q2.Which of the following is NOT an observation from a chemical reaction?

The temperature rose by 12 degrees celcius. The colour of the solution changed from blue to purple. The ice melted into water. Bubbles of oxygen were released.

2/7

Q3.What is the correct general equation for a metal reacting with an acid?

Metal + Acid --> Vinegar + Hydrogen Metal + Acid --> Salt + Oxygen Metal + Acid --> Salt + Gas Metal + Acid --> Salt + Hydrogen

3/7

Q4.What salt is produced when sodium reacts with hydrochloric acid?

Sodium sulfate Sodium chloride Sodium chlorine Sodium hydrogen

4/7

Q5.Copper + _____________ → copper sulfate + hydrogen. What substance is missing from this equation?

Sulfuric acid Sulfur Hydrochloric acid Nitric acid

5/7

Q6.What type of splint do you need to use when testing for hydrogen gas?

A glowing splint A wet splint A damp splint A lit splint

6/7

Q7.When testing for hydrogen gas, what result do you get if hydrogen is present?

A glowing splint relights. The hydrogen burns with a squeaky pop. The damp splint catches fire. The hydrogen burns with a deep pop.

7/7

Lesson summary: Acids and metals

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The next lesson in Reactivity is "Acids and metal oxides"

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