Match the following columns:
Column-$I$ Column-$II$ $(i)$ Hydrogen peroxide $(a)$ Used as air purifier in submarines $(ii)$ Calcium sulphate hemihydrate $(b)$ Used for water softening $(iii)$ Potassium superoxide $(c)$ Antiseptic $(iv)$ Calgon $(d)$ Plaster of Paris
| Column-$I$ | Column-$II$ |
| $(i)$ Hydrogen peroxide | $(a)$ Used as air purifier in submarines |
| $(ii)$ Calcium sulphate hemihydrate | $(b)$ Used for water softening |
| $(iii)$ Potassium superoxide | $(c)$ Antiseptic |
| $(iv)$ Calgon | $(d)$ Plaster of Paris |
- A$i-c, ii-d, iii-a, iv-b$
- B$i-c, ii-d, iii-b, iv-a$
- C$i-d, ii-c, iii-a, iv-b$
- D$i-c, ii-a, iii-d, iv-b$
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Similar Questions
Match the following columns:
Column-$I$ Column-$II$ $(i)$ Hydrogen peroxide $(a)$ Used as air purifier in submarines $(ii)$ Calcium sulphate hemihydrate $(b)$ Used for water softening $(iii)$ Potassium superoxide $(c)$ Antiseptic $(iv)$ Calgon $(d)$ Plaster of Paris
| Column-$I$ | Column-$II$ |
|---|---|
| $(i)$ Hydrogen peroxide | $(a)$ Used as air purifier in submarines |
| $(ii)$ Calcium sulphate hemihydrate | $(b)$ Used for water softening |
| $(iii)$ Potassium superoxide | $(c)$ Antiseptic |
| $(iv)$ Calgon | $(d)$ Plaster of Paris |
Medium
View SolutionConsider the following statements:
$I$. Atomic hydrogen is obtained by passing an electric arc through hydrogen gas.
$II$. Hydrogen gas does not reduce heated aluminum oxide.
$III$. Finely divided palladium absorbs a large volume of hydrogen gas.
$IV$. Pure nascent hydrogen is obtained by the reaction of $Na$ with $C_2H_5OH$.
Which of the above statements are correct?
$I$. Atomic hydrogen is obtained by passing an electric arc through hydrogen gas.
$II$. Hydrogen gas does not reduce heated aluminum oxide.
$III$. Finely divided palladium absorbs a large volume of hydrogen gas.
$IV$. Pure nascent hydrogen is obtained by the reaction of $Na$ with $C_2H_5OH$.
Which of the above statements are correct?
Medium
View SolutionIn which of the following reactions,$H_2$ is liberated?
$i$. $Al_{(s)} + HCl_{(aq)} \rightarrow$
$ii$. $Al_{(s)} + NaOH_{(aq)} \rightarrow$
$iii$. $B_2H_{6(g)} + H_2O_{(l)} \rightarrow$
$iv$. $F_{2(g)} + H_2O_{(l)} \rightarrow$
$i$. $Al_{(s)} + HCl_{(aq)} \rightarrow$
$ii$. $Al_{(s)} + NaOH_{(aq)} \rightarrow$
$iii$. $B_2H_{6(g)} + H_2O_{(l)} \rightarrow$
$iv$. $F_{2(g)} + H_2O_{(l)} \rightarrow$
Correct order of boiling point $(BP)$ is:
Medium
View SolutionList-$I$ contains compounds and List-$II$ contains reactions.
List-$I$ List-$II$ $I$. $H_2O_2$ $P$. $Mg(HCO_3)_2 + Ca(OH)_2 \rightarrow$ $II$. $Mg(OH)_2$ $Q$. $BaO_2 + H_2SO_4 \rightarrow$ $III$. $BaCl_2$ $R$. $Ca(OH)_2 + MgCl_2 \rightarrow$ $IV$. $CaCO_3$ $S$. $BaO_2 + HCl \rightarrow$ $T$. $Ca(HCO_3)_2 + Ca(OH)_2 \rightarrow$
Match each compound in List-$I$ with its formation reaction$(s)$ in List-$II$,and choose the correct option.
| List-$I$ | List-$II$ |
|---|---|
| $I$. $H_2O_2$ | $P$. $Mg(HCO_3)_2 + Ca(OH)_2 \rightarrow$ |
| $II$. $Mg(OH)_2$ | $Q$. $BaO_2 + H_2SO_4 \rightarrow$ |
| $III$. $BaCl_2$ | $R$. $Ca(OH)_2 + MgCl_2 \rightarrow$ |
| $IV$. $CaCO_3$ | $S$. $BaO_2 + HCl \rightarrow$ |
| $T$. $Ca(HCO_3)_2 + Ca(OH)_2 \rightarrow$ |
Match each compound in List-$I$ with its formation reaction$(s)$ in List-$II$,and choose the correct option.
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