Pure Substances and Mixtures — CHEMISTRY STD 6 — Question

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

The branch of Science which deals with the different forms of energy e.g. light and sound.

All pure substances have

All kinds of matter

The solubility of most solutes in water increases with –

Which of the following is not a physical change ?

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

Haematite is an ore of

A mixture of mustard oil and water forms

The process of adding alum to muddy water to help the suspended clay particles to settle down faster is called