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प्रश्न
For setting curd, a small amount of curd is added to warm milk. The microbes present in the curd help in setting if the temperature of the mixture remains approximately between 35°C to 40°C. At places, where room temperature remains much below the range, setting of curd becomes difficult. Suggest a way to set curd in such a situation.
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उत्तर
- In order to maintain the desired temperature of the mixture, the container can be wrapped either by woollen material or any other poor conductor of heat. Alternatively, the mixture can be kept in a heat resistant container.
- The container can be kept in the sun or near the gas stove while cooking.
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संबंधित प्रश्न
What is the Kelvin scale of temperature?
State one use of each of the following type of thermometer:
Laboratory thermometer
Convert the following temperature into Celsius scale:
95oF
Give a scientific reason for the following:
On a hot sunny day, it is advisable to wear light coloured clothes.
Out of metals, liquids, and gases:
Which one is worst conductor of heat?
Explain the following:
In a solid, heat is not transferred by the process of convection.
