Metals and Oxygen

Another term for burning is

• Fire triangle
• Magnesium oxide
• Combustion
• Bustion

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

magnesium + oxygen --> magnesium oxide

If you started with 5g of magnesium and 2.5g of oxygen, what mass of magnesium oxide would be produced?

• 5g

• 2.5g

• 7.5g

• 10g

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

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

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

What is the scientific term given when something burns?

• a fuel

• flammable

• combustion

• heating

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

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.

Which of the following reactions produces calcium oxide?

• calcium and oxide
• calcium and water
• calcium and air
• calcium and oxygen

Which of the following defines oxidation?

• A chemical reaction where a substance gains oxygen.
• A chemical reaction where a substance loses oxygen.
• A chemical reaction where a substance loses a metal.
• A chemical reaction where a substance gains a metal.

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.

The rusting of iron is an example of

• a reduction reaction.
• an oxidation reaction.
• a reaction of iron with water.
• a reaction that dissolves iron.