Question

question 1-12
melissas physical science teacher provides her with four substances labeled a, b, c, and d. she observes their physical properties and records them in her notebook:

• 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 a
substance d
substance b
substance c

Explanation:

• Substance A: The property "dissolves easily in water" directly indicates solubility.
• Substance B: "Does not dissolve easily in water" shows it is not soluble.
• Substance C: "Does not dissolve easily in water" shows it is not soluble.
• Substance D: "Does not dissolve in water" shows it is not soluble.

Answer:

Substance A