Chemistry in daily life

What is the reaction called when an element reacts with 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.MS-PS1-1

NGSS.MS-PS1-2

What does a fuel need in order to burn?

• fuel

• electricity

• oxygen

• hydrogen

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

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

Tags

NGSS.MS-PS1-5

What are the reactants in rust?

• iron

• oxygen

• dust

• carrots

Tags

NGSS.MS-PS1-5

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-PS1-5

A rusting bicycle

• physical change

• chemical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What conditions are required for rusting?

• dry cold conditions

• dry hot conditions

• hot damp conditions

Tags

NGSS.MS-PS1-2

What prevents Rusting

• Painting , Oiling , Galvinising

• Washing with water