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प्रश्न
Why does this happen?
Coconut oil thickens in winter.
उत्तर
The condition of coconut oil is liquid. The air and atmospheric temperatures begin to drop in the winter. Coconut oil turns solid as it begins to cool or lose heat. Therefore, in the winter, coconut oil thickens.
संबंधित प्रश्न
Tick (√) the correct alternative from the choice given for the following statement.
When we add water to the following substances, which one will show a chemical change?
Name the temperature at which :
- a liquid changes into a gas.
- a solid changes into a liquid.
Fill in the following blank with suitable words :
The state of matter called ........................ makes a fluorescent tube (or neon sign bulb) to glow.
Why does the temperature of a substance remain constant during the change of state ?
When water is heated to a temperature x, it gets converted into steam at temperature x by a process called R. And when steam at temperature x is cooled, it gets reconverted into water at the same temperature x by a process called S.
- How much is the value of x in Kelvin ?
- What is the process R called ?
- What is the name of the energy absorbed during the process R ?
- What is process S known as ?
- What is the name of energy released during the process S known as ?\\
Fill in the blanks:
Water boils at ______.
A substance which can change its state
Explain the term vaporization
What is it made from? Why?
A sickle to cut sugarcane.
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 __________.
