Question

Salt water is classified as a __________ and a solution.
A compound
B mixture
Distillation is a _____________ separation technique.
A chemical
B physical
Water (H2O) is a _______ _______.
A pure substance
B mixed element
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Answer 1

Salt water is classified as a B — mixture (it's a homogeneous mixture, i.e., a solution).

Distillation is a B — physical separation technique (separates components by boiling/condensing).

Water (H2O) is A — a pure substance (a chemical compound).