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प्रश्न
What is the name of the process due to which dry ice changes into carbon dioxide gas ?
उत्तर
‘Sublimation’ causes dry ice to change into carbon dioxide.
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संबंधित प्रश्न
Mention a change which is always desirable.
Define 'melting point' of a substance ? What is the melting point of ice
Define 'boiling point' of a substance ? What is the boiling point of water ?
Which of the following represent the suitable conditions for the liquefaction of gases ?
Name the phenomenon which causes the following changes:
Conversion of water into steam
Explain the term boiling point
What is it made from? Why?
A sickle to cut sugarcane.
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I have no shape whatsoever!
Matter in any state is composed of small particles – molecules, atoms, or ions. Differentiate the terms above in Italics.
What is inter-conversion of matter. Give the meaning of the terms involved in inter-conversion of matter
(a) Melting
(b) Vaporisation
(c) Liquefaction or condensation,
(d) Solidification or freezing
(e) Sublimation.
