Reactions of metals

Question 1

When metals react with oxygen what is formed?

Answer 1

metal oxide

Question 2

when iron reacts with oxygen what is formed?

Answer 2

Iron oxide

Question 3

When metals react with acid which gas is formed?

Answer 3

hydrogen

Question 4

How can we test to see if the gas is hydrogen?

Answer 4

The squeaky pop test - hold a lit splint next to the test tube and listen for a squeaky pop.

Question 5

What are the products in the reaction between metal and acid?

Answer 5

salt + hydrogen

Question 6

what salt is made when sulphuric acid reacts with a metal?

Answer 6

sulphate salt

Question 7

what salt is made when nitric acid reacts with a metal?

Answer 7

nitrate salt

Question 8

what salt is made when hydrochloric acid reacts with a metal?

Answer 8

chloride salt

Question 9

How can you show that salt has been formed when metals react with acid?

Answer 9

evaporate the water and you will be left with salt crystals

Question 10

What is formed when calcium reacts with hydrochloric acid?

Answer 10

calcium chloride + hydrogen