Free Printable metal and water year 8

Worksheets

metal and water year 8

Total questions: 27

Worksheet time: 20mins

Name

Class

Date

Which one of the following metals reacts most vigorously with cold water?

Sodium

Magnesium

Copper

Zinc

Which metal is more reactive than calcium?

magnesium

potassium

silver

aluminum

Metals that react quickly/strongly with water and acids are called?

Reactive

Unreactive

Dangerous

Corrosive

What are the reactants for the reaction of metal with water?
Metal + water ---> metal hydroxide + hydrogen

Metal

Water

Metal and water

Metal hydroxide and hydrogen

What are the products for the reaction of metal with water?
Metal + water ---> metal hydroxide + hydrogen

Metal

Water

Metal and water

Metal hydroxide and water

How can you tell that a metal is reacting with water?

Colour change

Bright light

Fizzing

It gets colder

How can you test to show that when a metal reacts with water, hydrogen gas is produced?

Relights a glowing splint

A lit splint produces a squeaky pop

Puts out a burning splint

Is cold to the touch

What metal hydroxide is produced when magnesium reacts with water?

Copper hydroxide

Magnesium oxide

Magnesium

Magnesium hydroxide

What gas is always produced when a metal reacts with water?

Oxygen

Carbon dioxide

Hydrogen

Carbon monoxide

10.

What gas is produced when sodium reacts with water?

Hydrogen

Carbon dioxide

Carbon monoxide

Water vapour

11.

Which of the following is the most reactive in water?

Lithium

Sodium

Potassium

12.

What is formed when sodium reacts with water?

sodium oxide and hydrogen

sodium hydroxide and hydrogen

sodium hydroxide and oxygen

sodium hydroxide and carbon dioxide

13.

When metal reacts with liquid water the products are...

metal hydroxide and oxygen gas

metal hydroxide and hydrogen gas

metal oxide and oxygen gas

metal oxide and hydrogen gas

14.

Which gas gives out a 'squeaky pop' when a lit splint is placed in it?

hydrogen

oxygen

carbon dioxide

nitrogen

15.

(a) + Water -> Sodium Hydroxide + Hydrogen

16.

What happens when gold reacts with cold water?

the gold will melt

the gold will turn into light yellow

nothing, the gold can't react with cold water

17.

Which is the correct word equation for calcium reacting with water?

calcium + water --> calcium + oxygen + hydrogen

calcium + water --> calcium hydroxide + hydrogen

calcium hydroxide + hydrogen --> calcium + water

calcium + water --> calcium oxide + hydrogen

18.

Which of the following sets of reactants would result actually result in NO REACTION?

lithium + water --> no reaction

calcium + water --> no reaction

iron + water --> no reaction

gold + water --> no reaction

19.

Magnesium reacts with oxygen to form magnesium oxide

(a)

20.

Carbon burns in a good supply of oxygen to form carbon dioxide

(a)

21.

Another term for burning is

Fire triangle

Magnesium oxide

Combustion

Bustion

22.

In this chemical reaction, which is the product/s?

Magnesium + Oxygen --> Magnesium oxide

magnesium

magnesium and oxygen

magnesium oxide

oxygen

23.

What does a fuel need in order to burn?

fuel

electricity

oxygen

hydrogen

24.

Hydrocarbons are fuels containing only:

carbon and oxygen

carbon and hydrogen

carbon dioxide and hydrogen

hydrogen and nitrogen

25.

What is the scientific term given when something burns?

a fuel

flammable

combustion

heating

26.

How are metal oxides formed?

When metals react with oxide.

When metals react with water.

When metals react with air.

When metals react with oxygen.

27.

Which of the following reactions produces calcium oxide?

calcium and oxide

calcium and water

calcium and air

calcium and oxygen

Reset

metal and water year 8

Total questions: 27

Worksheet time: 20mins

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