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$BeH_2$ can be prepared by the reaction of
If an isotope of hydrogen has two neutrons in its atom,its atomic number and atomic mass number will respectively be
Medium
View SolutionMatch List-$I$ (Fuels) with List-$II$ (Composition) and select the correct answer using the codes given below the lists.
List-$I$ (Fuels) List-$II$ (Composition) $A$. Water gas $i$. $A$ mixture of $CO$ and $N_2$ $B$. Producer gas $ii$. Methane $C$. Coal gas $iii$. $A$ mixture of $CO$ and $H_2$ $D$. Natural gas $iv$. $A$ mixture of $CO$,$H_2$,$CH_4$ and $CO_2$
Choose the correct sequence for $A-B-C-D$ respectively:
| List-$I$ (Fuels) | List-$II$ (Composition) |
|---|---|
| $A$. Water gas | $i$. $A$ mixture of $CO$ and $N_2$ |
| $B$. Producer gas | $ii$. Methane |
| $C$. Coal gas | $iii$. $A$ mixture of $CO$ and $H_2$ |
| $D$. Natural gas | $iv$. $A$ mixture of $CO$,$H_2$,$CH_4$ and $CO_2$ |
Choose the correct sequence for $A-B-C-D$ respectively:
Medium
View SolutionWhat are hydrides? Give their types and explain.
Which of the following explanations is best for not placing hydrogen in either the group of alkali metals or halogens?
Easy
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