Is matter around us pure?

The amount of solute present per unit volume or per unit mass of the solution/solvent is known as

• (a) Composition of solute

• (b) Concentration of a solvent

• (c) Concentration of a solute

• (d) Concentration of a solution

The quantity of matter present in an object is called

• weight

• Gram

• mass

• density

What is the solute in the soda water?

• Water

• Carbon dioxide

• Sugar

• Oxygen

how will you seperate oxygen from a mixture of liquid air?

• centrifugation

• seperating funnel

• fractional distillation

• distillation

a mixture of dye in a volatile liquid can be seperated by?

• evaporatoion

• sedimentation

• chromatography

• filtration

Tyndall effect is observed in forests because of

• tress

• high oxygen level

• mist and dust particles in the air

• less sunlight

concentration of 36g of NaCl in 100 g of water is

• 23%

• 26.47%

• 29.32%

• 21.11%

. This is a type of heterogeneous mixture in which the particles are dispersed and do not settle out.

• alloy

• solution

• suspension

• colloid

Particles size of solution

• Less than 1 nm

• More than 1 nm

• Between 1 and 1000 nm

• More than 1000 nm