How is dry ice produced? Mention its uses.
(N/A) Dry ice is produced by allowing liquefied $CO_{2}$ to expand rapidly,which causes it to solidify into a white,snow-like solid.
Its uses include:
$1$. It is used as a refrigerant for ice-cream and frozen foods.
$2$. It is used in the entertainment industry to create fog effects.
Its uses include:
$1$. It is used as a refrigerant for ice-cream and frozen foods.
$2$. It is used in the entertainment industry to create fog effects.
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Which one of the following is used to convert sunlight into electricity in photovoltaic material?
Which of the following statements are correct?
$1.$ Charcoal can be obtained by heating wood in the absence of air.
$2.$ Charcoal is an impure form of graphite.
$3.$ Diamond is thermodynamically the most stable allotrope of carbon.
$4.$ Coke is used as an oxidising agent during the extraction of iron from its ores.
$1.$ Charcoal can be obtained by heating wood in the absence of air.
$2.$ Charcoal is an impure form of graphite.
$3.$ Diamond is thermodynamically the most stable allotrope of carbon.
$4.$ Coke is used as an oxidising agent during the extraction of iron from its ores.
Producer gas is a mixture of
Medium
View SolutionMatch the following:
List-$I$ (Compound) List-$II$ (Silicate) $A$. Zircon $(ZrSiO_4)$ $P$. Ring/Cyclic $B$. Talc $(Mg_3(OH)_2(Si_2O_5)_2)$ $Q$. Ortho $C$. Thortveitite $(Sc_2Si_2O_7)$ $R$. Pyro $D$. Benitoite $(BaTiSi_3O_9)$ $S$. Sheet
| List-$I$ (Compound) | List-$II$ (Silicate) |
|---|---|
| $A$. Zircon $(ZrSiO_4)$ | $P$. Ring/Cyclic |
| $B$. Talc $(Mg_3(OH)_2(Si_2O_5)_2)$ | $Q$. Ortho |
| $C$. Thortveitite $(Sc_2Si_2O_7)$ | $R$. Pyro |
| $D$. Benitoite $(BaTiSi_3O_9)$ | $S$. Sheet |
Medium
View SolutionBleaching powder loses its power on keeping for a long time because
Medium
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