MCQ
Hydrogen behaves as oxidising agent when it reacts with
- A$N_2$ to give $NH_3$
- B$Br_2$ to give $HBr$
- ✓$Ca$ to give $CaH_2$
- D$S$ to give $H_2S$
✓
Answer
Correct option: C.
$Ca$ to give $CaH_2$
c
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The degree of dissociation of first order reaction is
What is the major product expected from the following reaction ?
→Where $D$ is an isotope of hydrogen
The major products formed in the following reaction sequence $A$ and $B$ are :
→To seprate different fractions of crude oil in petroleum industry, the method used is
Which of the following $p-V$ curve represents maximum work done?
→Given below are two statements, one is labelled as Assertion $A$ and the other is labelled as Reason $R$
→Assertion $A :$- Carbon forms two important oxides $- CO$ and $CO _2 . CO$ is neutral whereas $CO _2$ is acidic in nature.
Reason $R :$- $CO _2$ can combine with water in a limited way to form carbonic acid, while $CO$ is sparingly soluble in water.
In the light of the above statements, choose the most appropriate answer from the options given below :-
In the given reaction $\begin{array}{*{20}{c}}
{{C_6}{H_5} - C - C{H_3}} \\
{||} \\
O
\end{array}$ $\xrightarrow{{N{H_2}OH/{H^ \oplus }}}X\xrightarrow{{Na/{C_2}{H_5}OH}}Y$. $Y$will be
→{{C_6}{H_5} - C - C{H_3}} \\
{||} \\
O
\end{array}$ $\xrightarrow{{N{H_2}OH/{H^ \oplus }}}X\xrightarrow{{Na/{C_2}{H_5}OH}}Y$. $Y$will be
A substance forms zwitter ion. It can have functional groups
In an electroplating experiment $mg$ of silver is deposited, when $4 $ amperes of current flows for $2 $ minutes. The amount (in $gms$) of silver deposited by $ 6$ amperes of current flowing for $40$ seconds will be
→Hydrogen-oxygen fuel cells are used in space-craft to supply