Question 1 of 6Chemistry
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The physical property used in fractional distillation is the difference in
and are called
The diagram show the outermost shell of element Z.
Sulphuric acid and calcium hydroxide reacts as shown by the equation:
An organic compound contains 84 % carbon(C) and 16 % hydrogen (H) by mass.
Name one item of personal protective equipment that should be worn when working with chemicals in a laboratory.
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