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2 a Next to the reaction state if it is endothermic or exothermic.
Glucose + oxygen → carbon dioxide + water
I
Metal + acid → salt + hydrogen
Metal carbonate → metal oxide + carbon dioxide
Acid + alkali → salt + water
Carbon dioxide + water → oxygen + glucose
mark)

2 a Next to the reaction state if it is endothermic or exothermic Glucose oxygen carbon dioxide water I Metal acid salt hydrogen Metal carbonate metal oxide car class=

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