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Chemistry 1CH0 · Edexcel (Pearson) GCSE
Experimental Design
1 past-paper question on Experimental Design · examined 2023–2023.
20231 question
1CH0/1 · M/J · Q5(b)(iv) [1]Sign up to mark my answer →
The student investigated whether increasing the volume of calcium nitrate solution increased the height of the precipitate formed. They repeated the experiment using different volumes of calcium nitrate. State one variable that should be controlled in this investigation. (1)
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