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ICSE Class 10 Chemistry 2017 Paper

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SECTION - I
Fill in the blanks from the choices given in brackets :
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Question : 3 of 86
Marks: +1, -0
When a metallic oxide is dissolved in water, the solution formed has a high concentration of ........... ions.
(H+.(H^{+}. , H3O+,OH−)\mathrm{H}_3\mathrm{O}^{+}, \mathrm{OH}^{-})
Solution:  
OH−\mathrm{OH}^{-}
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