quiz 2 (chemistry)

This diagram represents...

• Mixture of compounds

• Element

• Mixture of elements

• Compound

What is a combination of 2 or more substances that keep their identities?

• Chemical change

• Mixture

• Physical change

• Physical property

This diagram represents

• Element

• Mixture of elements

• Mixture of compounds

• Compound

A mixture of aluminium and steel can best be separated by ________________.

• Density

• A magnet

• Adding water

• Using a sieve

This diagram represents...

• Mixture of compounds

• Element

• Compound

• Mixture of elements and compounds

A combination of rocks and water is an example of......

• Dissolving

• A solution

• A mixture

• A compound

Which one of the following would you use to separate sand from iron filings?

• Chromatography paper

• Filter paper

• Aluminium

• A bar magnet

This diagram represents...

• A molecule

• A mixture of elements and compounds

• A compound

• An element

sand can be best separated from a mixture of sand and water by

• Decantation

• Filtration

• Decoction

• chromatography

Most non-metal oxides are...

• Basic

• Neutral

• Acidic

• Amphoteric