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Mixtures and Solutions

Question 5 • HCISD-Integrated Physics and Chemistry A-CR SUMMER

Identify the solutions (homogeneous mixtures) in the list below. Check all that apply.

Answer
A
lead, an alloy of tin and lead
B
ammonia, a pure compound of nitrogen and hydrogen
C
window cleaner, a mixture of ammonia and coloring dissolved in water
D
gasoline, a mixture of organic liquids with a fixed composition throughout
E
distilled water, pure with no metals or particles

Explanation

A solution is a homogeneous mixture, meaning its components are evenly distributed throughout. The tin-and-lead alloy in A, the ammonia and coloring dissolved in water in C, and the evenly mixed organic liquids in gasoline in D are homogeneous mixtures. B and E are pure substances, not mixtures.

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