IGCSE Chemistry

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

• Colour change

• Bright light

• Fizzing

• It gets colder

Tags

NGSS.MS-PS1-2

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

Tags

NGSS.MS-PS1-2

Complete the equation:

Sodium + Hydrochloric Acid ->

• Sodium Hydroxide + Hydrogen

• Sodium Chloride + Hydrogen

• Chloric Sodium + Hydrogen

• Sodium Chloride + Water

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Complete the equation:

Potassium + Nitric Acid ->

• Potassium Hydroxide + Hydrogen

• Potassium Chloride + Hydrogen

• Potassium Nitrate + Hydrogen

• Nitric Potassium + Hydrogen

Tags

NGSS.MS-PS1-2

Match the following properties with their classification as either an intensive or extensive property.

• Appearance of an object

• Metallic

• Color of an object

• Mass

• Temperature at which an object changes from solid to liquid

• Silver

• Amount of matter in an object

• Melting point

What gas is produced when sodium reacts with water?

• Hydrogen

• Carbon dioxide

• Carbon monoxide

• Water vapour

Which salt will be produced if magnesium react with hydrochloric acid?

• Magnesium oxide

• Magnesium sulfate

• Magnesium sulfide

• Magnesium chloride

Tags

NGSS.MS-PS1-2

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 metal hydroxide is produced when magnesium reacts with water?

• Copper hydroxide

• Magnesium oxide

• Magnesium

• Magnesium hydroxide

Tags

NGSS.MS-PS1-5

What gas is produced when a metal reacts with an acid?

• Water vapour

• Acidic gas

• Hydrogen

• Nitrogen

Tags

NGSS.MS-PS1-5