Question

Classify the following into elements, compounds, and mixtures. a) Sodium b) Soil c) Sugar solution d) Silver e) Calcium carbonate f) Tin g) Silicon h) Coal i) Air j) Soap k) Methane l) Carbon dioxide m) Blood​

Answer 1

Answer:

sodium - compound

It is a compound because it is made up of two different types of atom – in this case sodium and chlorine. The chemical name for table-salt is NaCl.

soil - compound

Soil is composed of small pieces of a variety of materials, so it is a heterogeneous mixture. Water is a substance. More specifically, because water is composed of hydrogen and oxygen, it is a compound. Oxygen, a substance, is an element.

Element- These are basic forms of matter which cannot be broken down into simpler substances by chemical reactions.

Compound- These are substances which are made up of 2 or more elements. ...

Mixture- They are formed by mixing of 2 or more substances (these may be elements or compounds).

Sugar is a compound that is formed by a combination of three atoms: carbon, hydrogen and oxygen.

Answer 2

Answer:

elements = a,f,g,d

compounds = e,j,k l

mixtures =b,c,m

Explanation:

compound: A pure chemical substance consisting of two or more different chemical elements. element: A substance consisting one type of atom. heterogeneous mixture: A mixture that consists of visibly different substances or phases.