Metal and Water

The reaction between sodium and water produces water.

What is the other product?

Explain why these metals are stored under oil.

What gas is given off?

How would you test for the gas given off?

• use a damp blue litmus paper and it would turn red

• use a limewater and it would turns cloudy

• use a glowing splint and it would light up

• use a lighted splint and it would give a pop sound

If this reaction is replaced with magnesium, how could you tell which is more reactive?

What factor should you take into account to make this a fair test?

• use the same beaker

• use the same amount of water

• use the same size of metal

• use the same temperature of water

Write the word equation for the reaction between calcium and water.

Name three metals that do not react with water.

What does inert element mean?

• chemically inactive

• cannot be broken to smaller size

• reacts very vigorously with other element

• contains a very reactive element