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Answer:
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Explanation:
4.a. H2SO4+Zn=ZnSo4+ H2
b. when a chemical compund is heated strongly, steam forms and the compound is vapourised.
c.
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Answer:
A AND B GIVEN BY OTHER
Explanation:
C . Precipitation refers to a chemical reaction that occurs in aqueous solution when two ions bond together to form an insoluble salt, which is known as the precipitate.
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