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Byju's Answer
Standard XII
Chemistry
Preparation of Hydrogen
Which decompo...
Question
Which decomposed on heating?
A
K
2
C
O
3
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B
M
g
C
O
3
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C
N
a
H
C
O
3
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D
N
a
2
C
O
3
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Solution
The correct options are
B
M
g
C
O
3
C
N
a
H
C
O
3
Suggest Corrections
0
Similar questions
Q.
Give equations to prepare the following as directed:
(a) MgCO
3
from MgCl
2
(b) PbCO
3
from Pb(NO
3
)
2
(c) NaHCO
3
from Na
2
CO
3
Q.
Increasing order of stability of-
I.
K
2
C
O
3
II.
M
g
C
O
3
III
N
a
2
C
O
3
Q.
A
100
g
pure sample of
N
a
H
C
O
3
was heated until
11.2
L
of
C
O
2
(
g
)
was collected at
S
T
P
. What percentage of the
N
a
H
C
O
3
had decomposed?
N
a
H
C
O
3
(
s
)
→
N
a
2
C
O
3
(
s
)
+
H
2
O
+
C
O
2
Q.
A 2.00 g. of sample containing
N
a
2
C
O
3
and
N
a
H
C
O
3
loses 0.248 g when heated to
300
o
C
, the temperature at which
N
a
H
C
O
3
decomposes .Find % composition of
N
a
2
C
O
3
in the mixture ?
Q.
40. A 2g sample containing Na2CO3 and NaHCO3 loses 0.248g when heated to 300^° c,the temperature at which NaHCO3 decomposes to Na2CO3,CO2 AND H2O.what is the precentage of Na2CO3 in the given mixture?
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