YASH CLASSES
MATTER
IN OUR SURROUNDINGS
[IX]
1. Fill
in the blanks –
1. In
gas the force of attraction
between
molecules
is ………
2. The space between the molecules is large…
and small in ……
3. … .flow from higher level to lower level.
4. ……..flow in possible direction .
5. All matter is composed of tiny particles
called….
6. On heating
inter molecular space
between
molecule…..
7. The
dissolved substance is called …..
8. solute particles cannot be separated by …..
process .
9. The unit
of atomic mass is ……
10. The evaporation is a ………..phenomenon .
11. when ice is melts there is a …..in volume
.
12. The sun and star is glow because of the
presence
of ……. in them .
13. particles of steam have more …. than water
at
373 K .
14. State
of matter can be change by changing
………
or ………