All of the following are considered mixtures EXCEPT-

PHYSICAL SCIENCES

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A	air in the atmosphere
B	a water molecule, H20
C	the alloy of bronze
D	salt water

Explanation:

Detailed explanation-1: -Water is a compound, that results from a combination of Hydrogen and Oxygen in a fixed ratio ( 2 H : O ) with a chemical bond. Water has totally different properties from its constituent elements Hydrogen and Oxygen. Physical techniques cannot separate water into its components, that is, Hydrogen, and Oxygen.

Detailed explanation-2: -Water is a substance; more specifically, because water is composed of hydrogen and oxygen, it is a compound.

Detailed explanation-3: -Final answer: Pure water is not a mixture.

Detailed explanation-4: -Salt water is a solution because it has these two characteristics: it has the same concentration of each of its parts throughout the solution, and it can be separated by some physical process. stands for the element hydrogen, and the O stands for the element oxygen.

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