Advertisements
Advertisements
प्रश्न
It is difficult to cook vegetables on hills and mountains. Explain the reason.
Advertisements
उत्तर
This is because at high altitudes atmospheric pressure is low; therefore, boiling point of water decreases and so it does not provide the required heat energy for cooking.
APPEARS IN
संबंधित प्रश्न
The temperature at which a liquid gets converted into its vapour state is called its
Differentiate between melting point and boiling point, giving atleast one example of each.
Describe an experiment to demonstrate that water absorbs heat during boiling at a constant temperature.
The boiling point of water is defined as ______.
By the process of Heating of water, ______ is obtained.
Water into steam on heating is called freezing.
The boiling points of diethyl ether, acetone and n-butyl alcohol are 35°C, 56°C and 118°C respectively. Which one of the following correctly represents their boiling points in kelvin scale?
Which condition out of the following will increase the evaporation of water?
Evaporation of a liquid at room temperature leads to a ____________ effect.
A liquid changes into a gas at a constant temperature known as its ______.
