200 ml of water is poured into a bowl of 400 ml capacity. The volume of water will be_________

(a)

400 ml

(b)

600 ml

(c)

200 ml

(d)

800 ml

Seeds from water-melon can be removed by ________

(a)

hand-picking

(b)

filtration

(c)

magnetic separation

(d)

decantation

Among the following_________is not a mixture.

(a)

Coffee with milk

(b)

lemon juice

(c)

water

(d)

ice cream embedded with nuts.

A standard sheet of paper is about___________ atoms thick.

(a)

Thousands

(b)

Crores

(c)

Lakhs

(d)

Million

One dot that you make with Your pen has more than ___________ Lakh Molecule

(a)

One

(b)

Two

(c)

Four

(d)

Three

Why do we separate mixtures?

Give an example for mixture and justify your answer with reason.

Define - Sedimentation

Why do gases not have fixed shape?

What method will you employ to separate cheese (paneer) from milk? Explain.

What is meant by food adulteration?

Distinguish the properties of solid, liquid and gas. Draw a suitable diagram.

Using suitable apparatus from your laboratory separate the mixture of chalk powder, mustard oil, water and coins. Draw a flow chart to show the separation process