Golden glow answer of STD 9 pg 59
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Page No 56:
Question 1:
State whether the following statement is true or false :
Milk is a pure substance.
ANSWER:
False, Milk is not a pure substance. It is a heterogeneous mixture because of its colloidal nature.
Page No 56:
Question 2:
Name three mixtures found in nature.
ANSWER:
Three mixtures found in nature are milk, sweat and air.
Page No 56:
Question 3:
Which of the following is a mixture ?
Salt, Air, Water, Alum, Sugar
ANSWER:
Among the given options, air is a mixture as it is composed of different gases.
Page No 57:
Question 33:
State two physical properties on the basis of which metals can be distinguished from non-metals.
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