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Tardigrade
Question
Chemistry
An element reacts with hydrogen to form a compound A which on treatment with water liberates hydrogen gas. The element can be
Q. An element reacts with hydrogen to form a compound A which on treatment with water liberates hydrogen gas. The element can be
1388
222
Hydrogen
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A
Nitrogen
15%
B
Chlorine
46%
C
Selenium
0%
D
Calcium
38%
Solution:
C
a
+
H
2
→
C
a
H
2
⟶
2
H
2
O
C
a
(
O
H
)
2
+
2
H
2