Answer:- B.
Explanations:- A precipitation reaction is a double displacement reaction in which a solid salt is formed.
If we look at all the given equations then it's only second reaction in which a solid salt (CdS) is formed. In rest of the reactions there is no solid salt formed.
It means A, C and D are not the right choices and so the correct choice is only B.
Here the phase are given for all the products. If the phases are not given then we use the solubility chart to see which reactions would form the precipitate.
Since, the precipitate is formed only in second equation, the correct choice is B.
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Answer:
Spraying perfume in one corner of the room and the smell travels to the other side of the room
Explanation:
Put the question up please
Uranium, most uranium does derive from a star. However, not from our sun.