Key concept: Pure substances: Worksheet 8.1.2
Melting and boiling points
1.
Name a meth...
Chemistry, 25.01.2021 14:10, kenishawilkinsoy4mgw
Key concept: Pure substances: Worksheet 8.1.2
Melting and boiling points
1.
Name a method or methods you could use to:
a) obtain alcohol from beer
b) identify the colourings used in an ice lolly
c) remove soil and debris from water
d) obtain pure water from sea water
e) purify rock salt
f)
separate the colours in chlorophyll
Answers: 1
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Correct relationship between molecular formula and empirical formula
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Read "who built the pyramids? ”. leave this link open while you answer the questions throughout the assignment. give at least two reasons why some people claim the pyramids of giza were constructed by aliens.
Answers: 1
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