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Chemistry iGCSE paper 1 Edexcel (May 2016)

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i think it was calcium hydrogencarbonate to be more specific
Question 14b about which equation was the right one was the one that was on to me the most. I scribbled my answers like 3 times and literally on the last minute I wrote that it was equation 1 and rambled the explanation. xD
There was the test for water
Reply 23
guys did we just have to draw one bromine atom for the structural formula thing?
Original post by gameofno
guys did we just have to draw one bromine atom for the structural formula thing?


I think you could draw any number?

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