IGCSE /Grade 8
Science MCQ Based On Word equation for a common reaction
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IGCSE Grade 8 Science Word equation for a common reaction
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CuSO4+H20+CO2
In neutralisation reaction, there is a change in pH.
there are 6 main indication
calcium carbonate + hydrochloric acid → calcium chloride + water + carbon dioxide copper carbonate + hydrochloric acid → copper chloride + water + carbon dioxide
MgCl 2(aq) + H 2(g)
Na2CO3(aq)+HCl(aq)→2NaCl (aq)+H2O(l)+CO2(g)
When Hydrogen and oxygen reacts together, gives water
Magnesium reacts with oxygen to form magnesium oxide.
A precipitate is formed when silver nitrate + calcium chloride → silver chloride + calcium nitrate
Zn → Zinc, S → Suphur and ZnS → Zinc Sulphide
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