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प्रश्न
Fill in the blank with the appropriate word of the statement given below:
Change of milk of curd is a _______ change.
उत्तर
Change of milk of curd is a desirable change.
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संबंधित प्रश्न
Convert the following temperature to Celsius scale:
300 K
Convert the following temperature to the celsius scale.
293 K
Convert the following temperature to the celsius scale.
470 K
The boiling point of alcohol is 78° C. What is this temperature on Kelvin scale ?
What is meant by saying that the latent heat of vaporisation of water is 22.5 × 105 J/kg ?
What is the name of the process in which a solid turns directly into a gas ?
What is the common name of solid carbon dioxide ?
Fill in the following blank with suitable words :
Temp on Kelvin scale = Temp on Celsius scale + ........................
Which one of the following set of phenomena would increase on raising the temperature ?
Which of the following factors are responsible for the change in state of solid carbon dioxide when kept exposed to air ?
- increase in pressure
- ncrease in temperature
- decrease in pressure
- decrease in temperature
Define the following terms: Fusion
Define the following terms: Melting point
Differentiate between: Melting and boiling
Name the phenomenon which causes the following changes:
Formation of water vapour from water
Name the phenomenon which causes the following changes:
Disappearance of camphor when exposed to air
Explain the term freezing
Fill in the blank with the correct word Given below.
Cohesive forces are negligible in ____
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.
With reference to the liquid state of matter – answer the following
On heating, the liquid, do the particles gain or lose energy.
