Which option correctly matches an example with its broad category?
Answer and explanation
Correct answer: Soda water — liquid solution
In soda water, carbon dioxide is dissolved in water. Water is the liquid solvent, so the mixture is classified as a liquid solution, more specifically a gas-in-liquid solution. Air is gas in gas, brass is a solid alloy and therefore a solid solution, and hydrogen in palladium is gas in solid. Hence only the first pairing is correct.
Frequently asked questions
What is the correct answer to this question?
Soda water — liquid solution
Why is this the correct answer?
In soda water, carbon dioxide is dissolved in water. Water is the liquid solvent, so the mixture is classified as a liquid solution, more specifically a gas-in-liquid solution. Air is gas in gas, brass is a solid alloy and therefore a solid solution, and hydrogen in palladium is gas in solid. Hence only the first pairing is correct.
Which subject and chapter does this question cover?
This is a Class 9 Science question. Chapter: Exploring Mixtures and Their Separation. Topic: Solute and solvent.
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