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प्रश्न
Fill in the following blank with suitable words :
Temp on Kelvin scale = Temp on Celsius scale + ........................
उत्तर
Temp. on Kelvin = Temp. on Celsius scale + 273
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संबंधित प्रश्न
What is the physical state of water at 25°C.
Is there any change in temperature during the change of phase?
The Kelvin scale temperature is 0 K. What is the corresponding Celsius scale temperature ?
What is the (a) common unit of temperature, and (b) SI unit of temperature ?
Define the term 'latent heat of vaporisation' of a liquid. What is the value of the latent heat of vaporisation of water ?
There are four substances W, X, Y and Z. The substance W is a dark violet solid having diatomic molecules. A solution of W in alcohol is used as a common antiseptic C. The substance X is a white solid which is usually recovered from sea water on a large scale. The substance Y is a white solid which is insoluble in water and used in the form of small balls for the safe storage of woollen clothes. The substance Z is a yet another white solid which is used in making commonly used dry cells.
- Name (i) W (ii) X (iii) Y and (iv) Z.
- Out of W, X, Y and Z, which substance/substances can undergo sublimation ?
- Which substance is organic in nature ?
- What is the name of substance C ?
- Which substance belongs to the halogen family ?
Name the phenomenon which causes the following changes:
Conversion of water into steam
State which of the following statement is true or false. If false write the correct statement.
The conversion of water to ice is called freezing.
Fill in the blanks with the correct words of the statement given below:
During sublimation, a solid on heating turns directly into _________ and on cooling back to __________.
With reference to the liquid state of matter – answer the following
The heat energy supplied to the liquid is absorbed by its molecule & stored as which form of energy.
