Metals and other materials

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

Magnesium + Oxygen --> Magnesium oxide

• magnesium

• magnesium and oxygen

• magnesium oxide

• oxygen

Tags

NGSS.HS-PS1-2

Which of the following is the product of the reaction of aluminium and oxygen?

• aluminium oxide.
• metal oxide
• aluminium ore
• aluminium and oxygen

Which of the following is an example of an oxidation reaction?

• Ca  +   O₂ --> CaO
• Na₂O  + H₂O --> NaOH
• Fe₂O₃   + CO --> Fe   +  CO₂
• All of the choices are oxidation reactions.

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

• Reactive
• Unreactive
• Dangerous
• Corrosive

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 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 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

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 gas is produced when a metal reacts with an acid?

• Water vapour
• Acidic gas
• Hydrogen
• Nitrogen

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

• Magnesium oxide
• Magnesium sulfate
• Magnesium sulfide
• Magnesium chloride