EVERYDAY SCIENCE

SCIENCE

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
For measuring the relative density of milk,____ is used.
A
Milkoscope
B
Milkometer
C
Lactometer
D
Glucometer
Explanation: 

Detailed explanation-1: -Lactometer is a form of hydrometer used to measure the purity of milk.

Detailed explanation-2: -A lactometer is an instrument that is used to check for the purity of milk by measuring its density. An instrument to find out the content of the water in the milk or to test the richness of the milk is thus termed as ‘lactometers’.

Detailed explanation-3: -Hence, an instrument used to measure the density of milk is called a lactometer.

Detailed explanation-4: -A lactometre is a little glass instrument that tests the purity of milk based on density/buoyancy and works on the principle of the specific gravity. So, more the amount of water in milk, the lactometre will sink more in that milk. The lactometre will float in the milk with more cream.

Detailed explanation-5: -A hydrometer is an instrument that is used to measure the relative density of a given liquid. Lactometer is specifically used to measure the relative density of milk. Hence we can say that Lactometer is a type of hydrometer.

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