The physical state of water at 373 K is

When we mix a drop of ink in water we get a__________

__________ has the same properties throughout the sample

The separation of denser particles from lighter particles done by rotation at high speed is called ________

For a simple distillation process we need to have

Evaporation is always accompanied by______________ in temperature

An example of a substance that sublimes is ________.

Alcohol can be separated from water by _________________

In petroleum refining, the method of separation used is _______

The solubility of solid in water _______with an increase in temperature

All matter is made up of tiny particles and these particles are in constant motion which possess________

Liquids expand more than gases on heating.

Buttermilk is an example of heterogeneous mixture

Oil and water are immiscible in each other

Milk is an example of an emulsion of fat and curd

Chromotography is used extensively in physical science

Define Sublimation.

A few drops of ‘Dettol’ when added to water the mixture turns turbid. Why?

Define a solute and a solvent

What is meant by desalination of sea water?

What produces more severe burns, boiling water or steam? Why?

Is air a pure substance or Mixture? Justify.

Why are gases easily compressible whereas solids are incompressible?

Differentiate between filtrate and distillate

What is kinetic particle theory of matter?

What is melting point?

How are homogenous solutions different from heterogeneous solution? Explain with examples.