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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
Convert the following temperature to Celsius scale:
573 K
What is the physical state of water at 100°C.
Convert the following temperature to the celsius scale.
293 K
Explain briefly, how gases can be liquefied.
The latent heat of fusion of ice is :
Match the following:
| Column A | Column B |
| (a) Evaporation of water | (i) Non-periodic change |
| (b) Milk turning sour | (ii) Periodic change |
| (c) Earthquake | (iii) Chemical change |
| (d) Change of seasons | (iv) Physical change |
| (e) Glowing of bulb | (v) Reversible change |
Define the following terms: Boiling point
Explain the term melting
State whether the following statement is true or false. If false write the correct statement.
During physical changes, the composition of the original substance is not altered, but the properties of the original substance are altered.
Complete the statement by filling the blank with the correct word given below.
Conversion of vapour [or gas] into a liquid is termed ____________.
