YASH CLASSES
b. MATTER
IN OUR SURROUNDINGS [IX]
1. One word –
1. solid change to liquid
state ….
2. 00
C in Kelvin …..
3. when vapours is cooling …..
4. charged
particle states is …
5. At 00
C when ice on heating changes into
water , temperature remains constant ….
6.
gas turn in solid …..
7. the process when different substance mix as
a
result of random
motion of their molecule ….
8.What is plasma ? What is
the difference
between
a gas and
plasma ?
9. Difference
between the properties of
solids
, liquids and
gases .
10. What is matter ?state the factors on which
three
states of matter depend .
11. Why
do solid and liquids have an open
surface while gases do not ?
12. What is law of constant proportion ? ex.
13. How
can you distinguish between
mixture
and
a compound ?
14. Why water is compound and not a mixture ?