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प्रश्न
Fill in the blanks with the correct word/s from the bracket.
Ice on absorption of heat converts to ‘X’ a process called ____ [vaporization / melting]. ‘X’ changes to water vapour on ____ [heating / cooling]. Water vapour changes back to ‘X’ on ____ [freezing / condensation]. The constant temperature at which ice changes into ‘X’ is called its ____ [fusion point / melting point / boiling point].
उत्तर
Ice on the absorption of heat converts to ‘X’ a process called melting. ‘X’ changes to water vapour on heating. Water vapour changes back to ‘X’ on condensation. The constant temperature at which ice changes into ‘X’ is called its fusion point.
संबंधित प्रश्न
Fill in the following blank with suitable words :
Gases can be liquefied by applying ....................... and lowering .....................
What is sublimation ? Name two substances (other than ammonium chloride) which undergo sublimation.
State the three effects of heat on matter
Define the following terms: Melting point
Differentiate between: Solidification and condensation
Write whether the following statement is true or false:
A gas has no free surface.
Name the phenomenon which causes the following changes:
Conversion of water into steam
Give two examples of the following:
Substances which do not change their states.
State the property of the following substance.
Lead chloride reacts with barium sulphate to give a white precipitate of lead sulphate.
Who am I?
I dissolve in water, but not in kerosene.
