Which of the following type/s of mixture does/do not has/have uniform composition throughout the mixture?
a) homogeneous mixture
b) heterogeneous mixture
c) both a and b
d) none of them
In which of the following mixture/s, we can see separate particles?
a)homogeneous mixture
b) heterogeneous mixture
c) both a and b
d) none of them
Which of the following is/are the example/s of homogeneous mixture?
a) pebbles in sand
b) sulphur and iron fillings
c) oil and water
d) all of these
Distinguish between Elements, Compound and Mixtures:
An
element consists of same type of……… that cannot be broken down into simpler
substances.
a) compounds
b) atoms
c) molecules
d) mixtures
All atoms of an element are………
a) same
b) different
c) neither same nor different
d) sometimes same but sometimes different
