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Tardigrade
Question
Chemistry
The metal which displaces hydrogen from a boiling caustic soda solution is:
Q. The metal which displaces hydrogen from a boiling caustic soda solution is:
2106
249
Hydrogen
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A
M
g
B
F
e
C
A
s
D
Z
n
Solution:
Z
n
+
N
a
O
H
→
zincate
Sodium
N
a
2
Z
n
O
2
+
H
2
↑