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Chemistry MCQ's help!

Thread starter bikermicefrmars
Start date Mar 28, 2011

Nov 7, 2012

Arish Yaseen

bikermicefrmars said:
Another One:

Q A student tested a solution by adding aqueous sodium hydroxide. A precipitate was not seen
because the reagent was added too quickly.
What could not have been present in the solution?
A Al3+ B Ca2+ C NH4+ D Zn2+

Shouldn't the answer be NH4+?

no the answer would be Zn2+

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