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Question (1)

QN0029055

What is indicated when added salt stops dissolving in water and settles at the bottom?

(A) The solution is dilute
(B) The solution is unsaturated
(C) The solution is saturated
(D) The water has evaporated

Correct Answer: C

Explanation:

Undissolved salt indicates a saturated solution.

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Question (2)

QN0029056

A solution in which more solute can still dissolve at a given temperature is called a __________ solution.

(A) saturated
(B) concentrated
(C) unsaturated
(D) dilute

Correct Answer: C

Explanation:

An unsaturated solution can dissolve more solute.

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Question (3)

QN0029057

The maximum amount of solute that can dissolve in a fixed quantity of solvent is called:

(A) concentration
(B) dilution
(C) solubility
(D) saturation point

Correct Answer: C

Explanation:

Solubility is the maximum amount of solute that can dissolve in a fixed amount of solvent.

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Question (4)

QN0029058

Which statement correctly defines a saturated solution?

(A) A solution containing no solute
(B) A solution in which more solute can dissolve
(C) A solution in which solute stops dissolving at a given temperature
(D) A solution with only one component

Correct Answer: C

Explanation:

A saturated solution cannot dissolve more solute at that temperature.

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Question (5)

QN0029059

The amount of solute present in a fixed quantity of solution is termed its:

(A) density
(B) solubility
(C) concentration
(D) volume

Correct Answer: C

Explanation:

Concentration indicates the amount of solute in a fixed quantity of solution.

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Question (6)

QN0029060

Which solution is more concentrated?

(A) 2 g salt in 100 mL water
(B) 4 g salt in 100 mL water
(C) Both equally concentrated
(D) Cannot be compared

Correct Answer: B

Explanation:

Greater solute in the same amount of solvent means higher concentration.

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Question (7)

QN0029061

Two solutions contain 5 g and 10 g salt respectively in the same volume of water. Which is more dilute?

(A) First solution
(B) Second solution
(C) Both same
(D) Cannot be determined

Correct Answer: A

Explanation:

Lower solute amount gives a more dilute solution.

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Question (8)

QN0029062

A beaker contains 100 mL water. Salt is added spoon by spoon. The first 6 spoons dissolve completely, but part of the 7th spoon remains undissolved. The solution becomes saturated after adding:

(A) 5 spoons
(B) 6 spoons
(C) 7 spoons
(D) 8 spoons

Correct Answer: C

Explanation:

Saturation is reached when added solute remains undissolved.

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Question (9)

QN0029063

Which solution contains the highest concentration of sugar?

(A) 10 g in 50 mL water
(B) 15 g in 100 mL water
(C) 20 g in 200 mL water
(D) 8 g in 80 mL water

Correct Answer: A

Explanation:

10/50 = 0.2, which is the highest concentration.

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Question (10)

QN0029064

A solution contains 12 g solute in 60 mL solvent. Its concentration relative to solvent volume is:

(A) 0.1 g/mL
(B) 0.2 g/mL
(C) 0.3 g/mL
(D) 0.4 g/mL

Correct Answer: B

Explanation:

12 ÷ 60 = 0.2 g/mL.

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Question (1)

What is indicated when added salt stops dissolving in water and settles at the bottom?

Explanation:

Link:

Question (2)

A solution in which more solute can still dissolve at a given temperature is called a __________ solution.

Explanation:

Link:

Question (3)

The maximum amount of solute that can dissolve in a fixed quantity of solvent is called:

Explanation:

Link:

Question (4)

Which statement correctly defines a saturated solution?

Explanation:

Link:

Question (5)

The amount of solute present in a fixed quantity of solution is termed its:

Explanation:

Link:

Question (6)

Which solution is more concentrated?

Explanation:

Link:

Question (7)

Two solutions contain 5 g and 10 g salt respectively in the same volume of water. Which is more dilute?

Explanation:

Link:

Question (8)

A beaker contains 100 mL water. Salt is added spoon by spoon. The first 6 spoons dissolve completely, but part of the 7th spoon remains undissolved. The solution becomes saturated after adding:

Explanation:

Link:

Question (9)

Which solution contains the highest concentration of sugar?

Explanation:

Link:

Question (10)

A solution contains 12 g solute in 60 mL solvent. Its concentration relative to solvent volume is:

Explanation:

Link:

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