pure substance are (1.)_____in appearance. during boiling the temperature of a (2.)_____changes at the start then it becomes (3.)_____during melting a substance melts (4.)_____within a short time to determine a (5.)_____maliit na buto ng kalabasa a sample if it is a pure substance you should test it using its boiling point while if it is a (6.)_____sample its melting point is the best way to test in enrichment a the liquid is (7.)_____since it has a fixed boiling point while the water with salt is a mixture because it has a varying melting point.
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constant
completely
solid
heterogeneous
boling point
different
distilled water
homogeneous
melting
pure substance
melting point
liquid
mixture
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