Q1 of 59 Page 99

Match the following:

i) Element –Pure substance


ii) Compound - Made up of atoms


iii) colloid – made up of molecules


iv) Suspensions - Settles down on standing


v) Mixture - Impure substance


More from this chapter

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5

__________ has the same properties throughout the sample

 1

State whether the following statements are true or false. If false give the correct statement

(a) Liquids expand more than gases on heating.


(b) A compound cannot be broken into simpler substances chemically.


(c) Water has a definite boiling point and freezing point.


(d) Buttermilk is an example of heterogeneous mixture.


e) Aspirin is composed of 60% Carbon, 4.5% Hydrogen and 35.5% Oxygen by mass. Aspirin is a mixture.

 1

Evaporation is always accompanied by_________ in temperature

 2

150°C =________ K