Question

1.
Why
do
we
need
to
group
materials
?
2.
Name
any
lour
properties
that
can
be
used
for
sorting
materials
VI. Answer the following​

Answer 1

Answer:

ask only 1 questions at a time

Answer 2

Answer:

1.So for the convenience and to make the study of different materials easier and convenient we group the materials on the basis of different properties. The grouping or the classification of materials makes the study easier and also saves our time and energy.

2.Explanation:

different sizes and shape. for example. big and small etc.

different physical properties. for example. metals and non metals etc.

difference in weight. for example. light and heavy.

difference in chemical properties.