Are the naturally occurring materials in nature chemically pure substances? Explain.
Most of the naturally occurring material in nature are not chemically pure substances. They are purified by chemical or physical process. For example the minerals are available mixed with other material or at least mixed will dust particles.
How would you test the purity of a given substance?
Which of the following materials could be a pure substance?
Butter, ghee, water, ink, glass, paper, sugar, banana, orange, marble, blood, wood.
What is chemically a pure substance?
