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Question (1)

QN006462

Which of the following is a homogeneous mixture?

(A) Sand and water
(B) Oil and water
(C) Sugar solution
(D) Chalk powder in water

Correct Answer: C

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Question (2)

QN006463

Which mixture is heterogeneous?

(A) Vinegar
(B) Soda water
(C) Salt solution
(D) Muddy water

Correct Answer: D

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Question (3)

QN006464

In a solution of sugar and water, sugar is called the:

(A) Solvent
(B) Solute
(C) Suspension
(D) Colloid

Correct Answer: B

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Question (4)

QN006465

The substance that dissolves the solute is called:

(A) Mixture
(B) Solvent
(C) Colloid
(D) Residue

Correct Answer: B

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Question (5)

QN006466

The amount of solute dissolved in a given amount of solvent or solution is known as:

(A) Saturation
(B) Solubility
(C) Concentration
(D) Distillation

Correct Answer: C

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Question (6)

QN006467

Which method expresses grams of solute present in 100 g of solution?

(A) % v/v
(B) % m/v
(C) % m/m
(D) ppm

Correct Answer: C

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Question (7)

QN006468

A solution contains 15 g salt dissolved in 85 g water. The mass by mass percentage is:

(A) 10%
(B) 15%
(C) 20%
(D) 25%

Correct Answer: B

Explanation:

Total mass = 15 + 85 = 100 g

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Question (8)

QN006469

8 g glucose is dissolved to make 200 mL solution. Its % m/v concentration is:

(A) 2%
(B) 4%
(C) 6%
(D) 8%

Correct Answer: B

Explanation:

(8/200) × 100 = 4%

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Question (9)

QN006470

25 mL alcohol is mixed to form 250 mL solution. The % v/v concentration is:

(A) 5%
(B) 10%
(C) 15%
(D) 20%

Correct Answer: B

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Question (10)

QN006471

A saline solution contains 0.9 g NaCl in 100 mL solution. This concentration is expressed as:

(A) % v/v
(B) % m/m
(C) % m/v
(D) molarity

Correct Answer: C

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Question (1)

Which of the following is a homogeneous mixture?

Explanation:

Link:

Question (2)

Which mixture is heterogeneous?

Explanation:

Link:

Question (3)

In a solution of sugar and water, sugar is called the:

Explanation:

Link:

Question (4)

The substance that dissolves the solute is called:

Explanation:

Link:

Question (5)

The amount of solute dissolved in a given amount of solvent or solution is known as:

Explanation:

Link:

Question (6)

Which method expresses grams of solute present in 100 g of solution?

Explanation:

Link:

Question (7)

A solution contains 15 g salt dissolved in 85 g water. The mass by mass percentage is:

Explanation:

Link:

Question (8)

8 g glucose is dissolved to make 200 mL solution. Its % m/v concentration is:

Explanation:

Link:

Question (9)

25 mL alcohol is mixed to form 250 mL solution. The % v/v concentration is:

Explanation:

Link:

Question (10)

A saline solution contains 0.9 g NaCl in 100 mL solution. This concentration is expressed as:

Explanation:

Link:

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