Question

1. Which liquid sample is a pure substance?

Table 1: Boiling point of liquid samples

Samples

Liquid A

Liquid B

Temperature


Observation while heating


2. Which solid sample is a pure substance?

Scenario 1: Melting point of two solid samples

Samples

Solid A

Solid B

Appearance

Observation while melting

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Answer 1

Answer:

D

Explanation:

D