Page 2 - PROPERTIES OF WATER AND IMPURITIES IN WATER
P. 2
IV. The impurities which dissolve in water are called
a. Soluble impurities
b. Insoluble impurities
c. Mixture
d. Immiscible liquid
SUBJECTIVE QUESTIONS
1. Ramesh takes a glass of water, added a spoonful of sugar and pinches
of salt and also squeezed the juice of a lemon into
it. Then stir it properly.
a) What will you observe after stirring it properly?
b) Identify the type of impurities in the given
activity.
c) Give some other examples of this type of
impurities.
2. I am everybody's need and there can be no life
without me. Plants, animals and human beings all need
me. I am used in almost everything from cooking to
washing in science. I am the universal solvent.
Scientists use me to mix in mixture I am precious and I
should be conserved.
a) Identify the substance described in the above paragraph.
