Question

Soobs Cook 1
drogen get
f
.
What happens when
Copple from Copper sulph
EXERCISES
(a) Dilute sulphuric acid is poured on a copp
(b) Iron nails are placed in copper sulpr
Write word equations of the reactions involv
10. Saloni took a piece of burning charcoal an
test tube.
copper plate? Cobber sulp
ced in copper sulphate solution?
or the reactions involved.
non
- Tror
+ COS
ad collected the gas evolved in a
w the reactions taking place in this
(a) How will she find the nature of the gas
(b) Write down word equations of all the red
process.
11. One day Reeta went to a jeweller's shop with
an old gold jewellery to the goldsmith to polish. Nez
the jewellery back, they found that there was as
Can you suggest a reason for the loss in weight?
S shop with her mother. Her mother gave
n to polish. Next day when they brought
there was a slight loss in its weight.
Extended Learning - Activities and Projects
1.
Prepare Index Cards for any four metals ar
card should have information like name ol
physical properties, chemical properties and its uses.
rds for any four metals and four non-metals. The
we information like name of metal/non-metal; its
​

Answer 1

Answer:

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