Question

WOERokee
t. Fun in the blanks with suitable words:
1. Pure substance is the one which is made-up
of only one kind of
2. The two elements which are considered to
be the building blocks of this universe are
and ........
3.
cannot be broken down into
simpler substances.
has a definite melting and
4. A ...... has a definite melting and boiling point.
boiling point
5. Air is a
mixture of gases.​

Answer 1

Answer:

1 only two substance

2 hydrogen helium

3

4 substance

5 true