Mixtures Unit No: 07
A mixture
is composed of one or more pure substances in varying composition. There
are two types of mixtures: heterogeneous and homogeneous. Heterogeneous
mixtures have visually distinguishable components, while homogeneous mixtures
appear uniform throughout.
Mixtures may
consist of two or more……..
a) elements
b) compounds
c) both a and b
d) none of these
A mixture consists two or more substances that are not……..combined.
a) physically
b) chemically
c) both a and b
d) none of these
In a mixture, every substance…………….their properties.
a) retains
b) does not retain
c) sometimes retains
d) none of these
Which of the following method/s is/are used to separate mixtures?
a) chemical
b) biological
c) physical
d) all of these
The components in a mixture ………in a fixed proportion and can vary in quantity.
a) may be
b) may not be
c) may or may not
d) none of these
