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
Fill in the blanks:
$(1)$ Only $..........$ element of group $-6$ forms hydride.
$(2)$ $..........$ is used as a moderator in nuclear reactors.
$(3)$ The three-dimensional arrangement in ice occurs due to $..........$ bonding.
$(4)$ $..........$ method is used to obtain $H_2O_2$ from $2-$ethylanthraquinol.
$(1)$ Only $..........$ element of group $-6$ forms hydride.
$(2)$ $..........$ is used as a moderator in nuclear reactors.
$(3)$ The three-dimensional arrangement in ice occurs due to $..........$ bonding.
$(4)$ $..........$ method is used to obtain $H_2O_2$ from $2-$ethylanthraquinol.
Medium
View SolutionOxalic acid reacts with concentrated $H_2SO_4$ to produce a mixture of two gases. When this mixture is passed through caustic potash,one of the gases is absorbed. Which substance is formed by the absorption of the gas in caustic potash?
Medium
View SolutionWhen oxalic acid reacts with conc. $H_2SO_4$,two gases produced are of neutral and acidic in nature respectively. Potassium hydroxide absorbs one of the two gases. The product formed during this absorption and the gas which gets absorbed are respectively
Medium
View SolutionCorrelate 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 SolutionMatch 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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