Question

1. What is meant by a substance?
2. List the points of differences
between homogeneous and
heterogeneous mixtures.​

Answer 1

Answer:

1.a particular kind of matter with uniform properties

2.A homogeneous mixture has the same uniform appearance and composition throughout. Many homogeneous mixtures are commonly referred to as solutions. A heterogeneous mixture consists of visibly different substances or phases.

Answer 2

Answer:

1.Substance is a particular kind of matter with uniform properties.

2.Homogeneous:

a) Homogeneous mixtures have Uniform

composition throughout the mixture.

b) The whole mixture is in same phase.

c) Components are not visible to the naked

eye.

Heterogeneous :

a) Heterogeneous mixture have composition

which may vary from point to point.

b) Substances can be of two phases and layers

may separate.

c) Component of mixture can be seen easily.