Question

8. What is the unit ul UenSily! Lipum
9. Select element, mixture or compound from the following:
silver, sodium chloride, air, water, gold​

Answer 1

Answer:

8th question I cant able to understand and 9th question is below

Sodium chloride : Compound 

24 carat gold : element 

Iodine : element 

Water : compound 

oxygen gas : element 

Carbon : element

Answer 2

Elements →

The elements are regarded as the building blocks of the universe.

Sodium, Silver, Tin and Silicon are elements.

Compounds →

It is a pure substance made up of two or more elements chemically combined in a fixed proportion by mass.

Calcium carbonate, Methane and Carbon dioxide are compounds.

Mixture →

It is a substance containing two or more substance in any proportion.

Soil, Sugar, Coal, Air, and seawater are mixtures.