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प्रश्न
Select the correct answer from A, B, C, D & E for the statement given below:
The state of matter which has ___________ least density & no free surfaces.
विकल्प
Solid
Vaporization
Ion
Gases
Heat
उत्तर
The state of matter which has Gases least density & no free surfaces.
APPEARS IN
संबंधित प्रश्न
What is meant by saying that the latent heat of vaporisation of water is 22.5 × 105 J/kg ?
State one condition necessary to liquefy gases (other than applying high pressure).
Fill in the following blank with suitable words :
Gases can be liquefied by applying ....................... and lowering .....................
Draw a labelled diagram of the experimental set-up to study the latent heat of fusion of ice.
On converting 308 K, 329 K and 391 K to Celsius scale, the correct sequence of temperatures will be :
Name the phenomenon which causes the following changes:
Formation of water vapour from water
Explain the term melting point
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].
State the property of the following substance.
Lead chloride reacts with barium sulphate to give a white precipitate of lead sulphate.
What is it made from? Why?
A sickle to cut sugarcane.
