| Column-$I$ | Column-$II$ |
| $A$. $H$ | $1$. Used in the name of perhydrol. |
| $B$. $H_2$ | $2$. Can be reduced to dihydrogen by $NaH$. |
| $C$. $H_2O$ | $3$. Can be used in hydroformylation of olefin. |
| $D$. $H_2O_2$ | $4$. Can be used in cutting and welding. |
Explore More
| 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-$II$ |
| $A$. 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 $-II$ |
| $A$. 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 |
Vedclass Products
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialGenerate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeLive online exams with unlimited students, 360° analytics & white-label branding.
See Demo