Question

melissas physical science teacher provides her with four substances labeled a, b, c, and d. she observes their physical properties and:

• substance a: does not conduct electricity, dissolves easily in water.
• substance b: high density, conducts electricity, magnetic, does not dissolve easily in water.
• substance c: low melting point, does not conduct electricity, not magnetic, does not dissolve easily in water.
• substance d: conducts electricity, metallic, large volume, does not dissolve in water.

based on their properties, which substance is soluble?

substance b
substance c
substance a
substance d

Explanation:

Step1: Identify solubility - related property

Soluble means can dissolve easily in water.

Step2: Check each substance

Substance A dissolves easily in water, while substances B, C and D do not dissolve easily or do not dissolve in water.

Answer:

C. Substance A