1.base from that answer that you have provide on the table , can you determine whether a sample is a pure substance or a mixture just by looking at it ? why?
2.if the sample are seperately heated , which will melt very quickly (at a sharp temperature)?which sample will take a longer time to melt (at a temperature range)?
need ko na po ngayon plss. paki answer po Ng maayos
2.if the sample are seperately heated , which will melt very quickly (at a sharp temperature)?which sample will take a longer time to melt (at a temperature range)?
need ko na po ngayon plss. paki answer po Ng maayos
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Answer:
1. yes because a pure substance consists only of one element or one compound. a mixture consists of two or more different substances, not chemically joined together.