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The present atomic weight scale is based on:
(1) C12
(2) O16
(3) H1
(4)C13
Ans: C12
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Q. Calculate standard state enthalpy of the substance? Ans. To determine ΔH o f for calcium carbonate, calcium and carbon are burned in a calorimeter. Noti
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IN AMMONIUM ION NITROGEN DOESNT HAVE VALENCE ELECTRONS IN ITS VALENCE ORBITAL.
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Explain about Parke Process? Parke method for refining lead, which is also a concentration process for silver, relies upon the selective dissolution of silver in molten zinc.
the ksp of al(OH)3 is very small (3.0x106-34). how much water is required to dissolve 1.0 g of this salt?on..
A sample of water collected in the field had a pH of 6.8. By the time it was analyzed in the lab, the pH had decreased to 6.0. Give a possible explanation.
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