In which option do all examples have a liquid solvent?
Answer and explanation
Correct answer: Soda water, salt in water, ethanol in water
The solvent is the continuous medium, and its state must be checked in every example. Soda water, salt dissolved in water, and ethanol dissolved in water all use water as the solvent; water is liquid in each case. The other options include air or nitrogen, whose solvent is gaseous, or brass and palladium, which are solid metallic media. Thus only A has a liquid solvent throughout.
Frequently asked questions
What is the correct answer to this question?
Soda water, salt in water, ethanol in water
Why is this the correct answer?
The solvent is the continuous medium, and its state must be checked in every example. Soda water, salt dissolved in water, and ethanol dissolved in water all use water as the solvent; water is liquid in each case. The other options include air or nitrogen, whose solvent is gaseous, or brass and palladium, which are solid metallic media. Thus only A has a liquid solvent throughout.
Which subject and chapter does this question cover?
This is a Class 9 Science question. Chapter: Exploring Mixtures and Their Separation. Topic: Solutions.
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