Using a suitable chemical equation, justify that some chemical reaction are determined by: (a)change in colour (b) change in temperature
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a)colour change
citric acid reacts with potassium permanganate (purple) then purple colour disappear.
b). reactions between barium hydroxide and ammonia chloride then formed barium chloride, ammonia and water
mrymilyas23:
If u give in chemical equation it will be more helpful and aslo give space between words
next time
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