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A refractometer measures the refractive index of a substance, and in the case of milk adulteration with water, the refractive index changes due to the difference in composition between milk and water. This alteration can be identified using a refractometer, making it a useful tool for detecting water adulteration in milk.
By rule of the thumb
In the following questions, four alternatives are given for the idioms/phrases. Choose the one which best expresses the meaning of the given idiom/phra...
Fill in the blank given below using the correct idiom.
The team worked tirelessly to meet the deadline, but the unexpected technical issues ...
In each question, four alternatives are given for the Idiom / Phrase highlighted in the sentence. Choose the alternative which best expresses the meani...
Crocodile tears
Ask for or request earnestly
The bee’s knees
No community is likely to sell the cat by making gratuitous concessions on this issue.
Do not run down your friends in public.
...Bad blood