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JEEMAIN and NEET
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Chemistry
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Surface Chemistry
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Q)
By which of the following methods . Gold sol is prepared ?
(
a
)
R
e
d
u
c
t
i
o
n
(
b
)
O
x
i
d
a
t
i
o
n
(
c
)
H
y
d
r
o
l
y
s
i
s
(
d
)
D
o
u
b
l
e
d
e
c
o
m
p
o
s
i
t
i
o
n
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