Elements, Compounds, Symbols And Formulae — CHEMISTRY STD 6 — Question

For the following statement, say whether it describes a solid, a liquid or a gas. Particles move about very quickly but do not leave the surface

The most abundant elements in the universe are

The pure water is obtained from the sea water with the process of :

Which of the following chemical compounds is used to improve our appearance :

Used is an important

Atoms of different kinds combine to form molecules of

To pass gas from one vessel to another, you will use

A glass apparatus resistant to chemicals, made of pyrex, and used for heating specific liquids.

State if the following is a physical property of a substance.
Manganese dioxide, a catalyst which alters the rate of a chemical reaction is black in colour.

The solubility of most solutes in water increases with –