Match the items in Column-$I$ with the relevant item in Column-$II$.
Column-$I$ Column-$II$ $A$. Hydrogen peroxide is used as a $1$. zeolite $B$. Used in Calgon method $2$. perhydrol $C$. Permanent hardness of hard water is removed by $3$. sodium hexametaphosphate $4$. propellant
| Column-$I$ | Column-$II$ |
| $A$. Hydrogen peroxide is used as a | $1$. zeolite |
| $B$. Used in Calgon method | $2$. perhydrol |
| $C$. Permanent hardness of hard water is removed by | $3$. sodium hexametaphosphate |
| $4$. propellant |
(A-2,4; B-3; C-1,3) $A-2, 4; B-3; C-1, 3$.
$A$. Hydrogen peroxide $(H_2O_2)$ is known as perhydrol (at high concentrations) and is also used as a rocket propellant.
$B$. Calgon method uses sodium hexametaphosphate $(Na_6P_6O_{18})$ to remove hardness.
$C$. Permanent hardness of water is removed by using zeolites (ion exchange method) or sodium hexametaphosphate (Calgon method).
$A$. Hydrogen peroxide $(H_2O_2)$ is known as perhydrol (at high concentrations) and is also used as a rocket propellant.
$B$. Calgon method uses sodium hexametaphosphate $(Na_6P_6O_{18})$ to remove hardness.
$C$. Permanent hardness of water is removed by using zeolites (ion exchange method) or sodium hexametaphosphate (Calgon method).
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Similar Questions
Correlate the items listed in Column $I$ with those listed in Column $II$. Find out as many correlations as you can.
Column $I$ Column $II$ $A$. Synthesis gas $1$. $Na_2[Na_4(PO_3)_6]$ $B$. Dihydrogen $2$. Oxidising agent $C$. Heavy water $3$. Softening of water $D$. Calgon $4$. Reducing agent $E$. Hydrogen peroxide $5$. Stoichiometric compounds of $s-$block elements $F$. Salt like hydrides $6$. Prolonged electrolysis of water $7$. $Zn + NaOH$ $8$. $Zn + dil. H_2SO_4$ $9$. Synthesis of methanol $10$. Mixture of $CO$ and $H_2$
| Column $I$ | Column $II$ |
| $A$. Synthesis gas | $1$. $Na_2[Na_4(PO_3)_6]$ |
| $B$. Dihydrogen | $2$. Oxidising agent |
| $C$. Heavy water | $3$. Softening of water |
| $D$. Calgon | $4$. Reducing agent |
| $E$. Hydrogen peroxide | $5$. Stoichiometric compounds of $s-$block elements |
| $F$. Salt like hydrides | $6$. Prolonged electrolysis of water |
| $7$. $Zn + NaOH$ | |
| $8$. $Zn + dil. H_2SO_4$ | |
| $9$. Synthesis of methanol | |
| $10$. Mixture of $CO$ and $H_2$ |
Difficult
View Solution$CuSO_4$ solution $+$ lime is called
Medium
View SolutionMatch 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 SolutionIn which of the following reactions,hydrogen is liberated?
$(i)$ $Al_{(s)} + HCl_{(aq)} \rightarrow$
$(ii)$ $Al_{(s)} + NaOH_{(aq)} \rightarrow$
$(iii)$ $NaBH_4 + I_2 \rightarrow$
$(i)$ $Al_{(s)} + HCl_{(aq)} \rightarrow$
$(ii)$ $Al_{(s)} + NaOH_{(aq)} \rightarrow$
$(iii)$ $NaBH_4 + I_2 \rightarrow$
Match the terms in Column $-I$ with the relevant item in Column $-II$.
Column $-I$ Column $-II$ $A$. Electrolysis of water produces $1$. atomic reactor $B$. Lithium aluminium hydride is used as $2$. polar molecule $C$. Hydrogen chloride is a $3$. recombines on metal surface to generate high temperature $D$. Heavy water is used in $4$. reducing agent $E$. Atomic hydrogen $5$. hydrogen and oxygen
| Column $-I$ | Column $-II$ |
| $A$. Electrolysis of water produces | $1$. atomic reactor |
| $B$. Lithium aluminium hydride is used as | $2$. polar molecule |
| $C$. Hydrogen chloride is a | $3$. recombines on metal surface to generate high temperature |
| $D$. Heavy water is used in | $4$. reducing agent |
| $E$. Atomic hydrogen | $5$. hydrogen and oxygen |
Difficult
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