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 $35^{\circ}\ C$ to $40^{\circ}\ C$. 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.

AcademicPhysicsNCERTClass 7

To set curd in such a situation when the room temperature is below $35^{\circ}-40^{\circ}$, we should wrap the container with a poor conductor of heat such as woolen cloth or it can be kept near sunlight or gas stove.

Updated on 10-Oct-2022 13:29:46