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Physics, Chemistry and Biology: Post your doubts here!

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plz need explanation for q. 19 june 2011 :(
Ok :)
Now the question is asking for ions , Only the soluble one's will ionize
If they are not soluble they will form a priecipitate
Now, Silver & barium chloride are insoluble
Silver sulphate is in soluble
All nitrates are soluble
So, it will be nitrate
 
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Ok :)
Now the question is asking for ions , Only the soluble one's will ionize
If they are not soluble they will form a priecipitate
Now, Silver & barium chloride are insoluble
Silver sulphate is in soluble
All nitrates are soluble
So, it will be nitrate
thnx soooooooooooooooooooooooooooooooo much :)
 
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One difficult Q (I understand it, I just want to show it to u in case a similar one comes in the exam!):
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From O level!
 
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