Question

classmate
Date
Page
Seaton
NAVNEET SCIENCE DIGEST : STANDARD 9
This condens
some dust ar
the nucleus'
The water
'condensatid
the form
When the
may occu
• Rainfall
wind
pa
monsoo
Plasma
membrane
uses the
air in the bottle
1 water vapour.
ghted Incense stick. Open
le and allow some of the
cense sticks to enter the
the bottle once more. Make
1s Atting tightly. Press the
your hands and crush it
le. Wait for a few seconds
Smooth
Ondoplasmic
Centrote
reclection Y
- Collec
repor
acros
1.
a ra
are
thi
1
N
Nuclear
envelope
G
llowing questions :
ve that the air inside seemed
pressing and crushing the
at the inside turns foggy.
s disappear?
bressed second time and the
sed, then the fog disappears.
ure inside the bottle higher ?
is crushed and is under
then the inside pressure
Lysomes
Ribosomes
Mit chondrion
Rough endoplasmic
cytoplasm
Ar
Nuclows
re
Animal
oy
بلبلوق
)
ed when the pressure in the
when it is low?
ure is low in the bottle, fog
of water
Explain it bects.
> Water pollution is the contamation & the
bodies, usually cu acesult of human activities.
Water bodies include
for smoke particles inside
s experiment ?
pn can take place rapidly due
particles.
en if you do the experiment
ke from the incense stick ?
check if the prediction wa
ht be happening in the abow
absence of smoke particles
les are not there, fog format
place. When smoke is abs
ur changes into water drop
a large amount of
to the air from
Q-10 Draw a neat labelled diagram of arumal
colai apelacus
tle. Again press the bottle
Q-) What do you understand by waterpollution​

Answer 1

Answer:

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