

MCQOPTIONS
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1. |
A water having pH value equal to 9 will have hydrogen ion concentration equal to |
A. | 10-9 moles/litre |
B. | 109 moles/litre |
C. | 10-5 moles/litre |
D. | 105 moles/litre |
Answer» B. 109 moles/litre | |