EVERYDAY SCIENCE

SCIENCE

CHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Matter that has a fixed composition and definite properties.
A
Pure Substance
B
Mixture
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Pure Substance Matter that has a fixed composition and distinct properties. All pure substances are either elements or compounds. Elements All atoms are the same kind, elements have only one type of atom. e.g. oxygen (O2), gold (Au), silicon (Si) and diamond (C).

Detailed explanation-2: -A substance that has a fixed chemical composition throughout is called a pure substance such as water, air, and nitrogen. A pure substance does not have to be of a single element or compound.

Detailed explanation-3: -A pure substance is a form of matter that has a constant composition (meaning it’s the same everywhere) and properties that are constant throughout the sample (meaning there is only one set of properties such as melting point, color, boiling point, etc.

Detailed explanation-4: -A substance is a pure material with a uniform and definite composition. A substance cannot be separated into components using physical means. A substance can be a solid, a liquid, or a gas, dependent on temperature.

Detailed explanation-5: -Hence, the given statement is True.

There is 1 question to complete.