Question

Which of the following can be classified as a mixture?
(a)a clear white salt solution
(b)a rusted iron nail
(c)a piece of paper cut into different shapes
(d)a bowl of water with floating ice cubes

Answer 1

Answer:

b) a rusted iron nail

Explanation:

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Answer 2

The answer to the above question is- (a) a clear white salt solution.

Properties of a mixture are-

• A mixture is formed when two or more substances are combined physically that can be separated easily by physical methods.
• No chemical change occurs when a mixture is formed.
• Solutions, colloids and suspension are three types of mixtures.
• A solution of salt and water is a common example of a mixture. This is a physical change and reversible.
• The rusting of iron nails is not a mixture because of the formation of iron oxide. This is a chemical change and the process is irreversible.
• A piece of paper cut into different shapes and a bowl of water with floating ice cubes do not involve the addition of two or more substances. Hence, these are not a mixture.