An adulterated sample of milk has a density 1032 kg m^{-3},while pure milk has density of 1080 kg m^{-3}. Then the volume of pure milk in a sample of 10 litres of adulterated milk is a) 1litre b) 2litre c) 3litre d) 4l

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Q. An adulterated sample of milk has a density, 1032 kg m

^{- 3}

, while pure milk has a density of 1080 kg m

^{- 3}

. Then the volume of pure milk in a sampled of 10 litres of adulterated milk is:

Q. Milk of 35 litres is adulterated to an extent of 10% what proportion of the adulterated mixture should be replaced by pure milk so that the concentration increases to 98%?___

A milkman has 80% milk in his stock of 800 L of adulterated milk. How much 100% pure milk should be added to it, so that purity is between 90% and 95% ?

Q. The freezing point of a diluted milk sample is found to be

- {0.2}^{o} C

, while it should have been

- {0.5}^{o} C

for pure milk. How much water has been added to pure milk. How much water has been added to pure milk to make the diluted sample?

1 L

of milk weighs

1.035

kg. The butter fat it contains to the extent of

4 %

by volume has a density of

875 k g / m^{3} .

Find the density of the fat-free 'skimmed' milk.
(

1 m^{3} = 10^{3} L

)

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