A-Level
EDEXCEL
Chemistry
October 2018
1 Marks
QP-201810-Chemistry-U2-old · Question 2
Question (excerpt):
WRITE IN THIS AREA 2 Which is the equation for the reaction of calcium with water? A Ca + H2O → CaO + H2 B Ca + 2H2O → CaO + 2H2 C Ca + 2H2O → Ca(OH)2 + H2 D 2Ca + 2H2O → 2Ca(OH)2 + H2
WRITE IN THIS AREA 2 Which is the equation for the reaction of calcium with water? A Ca + H2O → CaO + H2 B Ca + 2H2O → CaO + 2H2 C Ca + 2H2O → Ca(OH)2 + H2 D 2Ca + 2H2O → 2Ca(OH)2 + H2
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