Question

Choose the type of reaction when magnesium ribbon is burnt in the first reaction. (1 mark) *

1 point

Combination

Decomposition

Displacement

Double Displacement

 

This is a required question

2. What is the chemical name of the product formed after the first experiment? (1 mark) *

1 point

Your answer

3. Identify the type of chemical reaction in the second experiment where iron nail is dipped in a beaker containing a blue color solution. (1 mark) *

1 point

Combination

Decomposition

Displacement

Double Displacement

4. Mark True or False. Iron has undergone reduction in the second the reaction. (1 mark) *

1 point

True

False

5. What forms the reddish brown coating over the iron nail (write the name of the substance)? (1 mark) *

1 point

Your answer

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Submit​

Answer 1

Choose the type of reaction when magnesium ribbon is burnt in the first reaction. (1 mark) *

1 point

Combination

Decomposition

Displacement

Double Displacement

This is a required question

2. What is the chemical name of the product formed after the first experiment? (1 mark) *

1 point

Your answer

3. Identify the type of chemical reaction in the second experiment where iron nail is dipped in a beaker containing a blue color solution. (1 mark) *

1 point

Combination

Decomposition

Displacement

Double Displacement

4. Mark True or False. Iron has undergone reduction in the second the reaction. (1 mark) *

1 point

True

False

5. What forms the reddish brown coating over the iron nail (write the name of the substance)? (1 mark) *

1 point

Your answer

Back

Submit

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