GRADE-5 W.S-4 Ch-7 'Experiments with Water'.

A puffed puri __________ in water.

• floats

• sinks

• flats

• none of the above

Things dissolves ___________ after heating in to the water.

• Slower

• Faster

• Both a and b

• None of the above.

Things which dissolve easily in to the water are called as dissolvable.

• true

• false

Life jackets are used by people in order to __________ in water.

• sink

• float

• stir

• swim

For making salt, water is allowed to dry in ___________.

• Rain

• Sun

• Wet

• All of the above

_________ sea is the saltiest among all the seas.

• Live sea

• Human sea

• Dead sea

• Only option 1

Common salt is soluble in water.

• True

• False

Chalk powder gets dissolved easily in to the water.

• True

• False

Iron nail __________ in water but the katori __________.

• sinks, dissolves

• floats, sinks

• sinks, floats

• all of the above

Oil water does not get mixed in to the water.

• True

• False