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Tardigrade
Question
Chemistry
Which of the following metals directly combine with hydrogen gas to give a hydride?
Q. Which of the following metals directly combine with hydrogen gas to give a hydride?
1804
217
Hydrogen
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A
A
u
9%
B
N
i
10%
C
C
a
73%
D
C
u
8%
Solution:
Hydrogen directly combines with highly reactive metals to give hydrides.
C
a
+
H
2
→
C
a
H
2