MCQ
When hydrogen burns in oxygen, _________ is produced:
- ✓Water
- BHydrogen peroxide
- CBoth $A$ and $B$
- DNone of these
When hydrogen burns in oxygen, water is produced.
The reaction is as follow:
$2 H _2+ O _2 \rightarrow 2 H _2 O$
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The slope of a speed-time graph gives:
|
S.No
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Column I
|
|
Column II
|
|
$a$
|
$9.033 \times 10^{24}$ atoms
|
$i$
|
$46g$ of He
|
|
$b$
|
$2$ moles of Na
|
$ii$
|
$15$ moles
|
|
$c$
|
$11.2 L of O_2$ at $STP$
|
$iii$
|
$3.011 \times 10^{23}$ molecules
|
|
$d$
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$22g$ of $CO_2$
|
$iv$
|
$16g$
|