Question

State three reasons why do you think air is a mixture and water a compound?
​

Answer 1

Answer:

The composition of water is fixed. Its constituents are present in fixed proportion by mass.

...

Solution

.It contains two or more pure substances.

.It can be separated into simpler substances by physical processes.

.Its composition is not fixed.

Answer 2

The composition of water is fixed. Its constituents are present in fixed proportion by mass.

Solution :

• It contains two or more pure substances.

• It can be separated into simpler substances by physical processes.

• Its composition is not fixed.