Is matter around us pure

Dissolved Sodium chloride can be separated from salt solution by

• Chemical process of extraction

• Physical process of evaporation

• Chemical processes

Blood and sea water are

• blood is a mixture whereas sea water is a compound

• blood is a compound and sea water is a mixture

• both mixtures

Define a pure substance?

• A pure substance consists of a single type of particles and constant composition.

• A pure substance consists of two different types of particles with variable composition

• A pure substance consists of many types of particles and different composition

In a sugar solution water is_____ and sugar is_____

• water is solute and sugar is solvent

• water solute and as well as solvent

• water is solvent and sugar is solute

What is meant by chromatography?

• The process of separation of volatile and non volatile mixtures is called chromatography.

• The process of separation of components of a mixture based on its solubility is called chromatography

• The process of separation based on its solubility is called chromatography

The method used in washing machines to squeeze out water from wet clothes

• Sublimation

• Distillation

• Centrifugation

When a saturated solution is heated and more solute is dissolved in it, what is such a solution called?

• Supersaturated Solution

• Colloidal Solution

• Aqueous Solution

• Thermo Saturated Solution

A sample contains two substances and has uniform properties. The sample is ________?

• A compound.

• A heterogeneous mixture.

• An element.

• A homogeneous mixture.

A mixture will appear translucent in the case of?

• Copper sulphate + water.

• Alum + water.

• Sugar + water.

• Starch + water.

What is the solute in the soda water?

• Water

• Carbon dioxide

• Sugar

• Oxygen