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how is Fe3O4 and Pb3O4 formed...(trick q out of scope) |
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| asked by Illuminati (xxskullkingxx) 7 years ago |
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Hi guys, hope all of your exams r going on well... Plz do take some pains to clear some of my doubts...
1. What happens to the other ions during preferential discharge other than the ones that are discharged?
2.Is it necessary to give an acid during electroplating in the electrolyte?
3.Is a block of silver or a hollow cylinder of silver used in electroplating?
4.Dissociation of NaCl in water is 99%. What do u mean by it?
5. In electrolysis of fused PbBr2, is there deposition of lead on the cathode or on the base of the vessel?
Additional questions:
1.Are we to draw stuff like rheostat, ammeter, battery, key etc etc in electrolysis diagrams?
2. Is current or voltage asked in exam?
Thanks in advance!! |
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| asked by Krishanu Dutta (krishanudutta) 7 years ago |
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Why is methane also called marsh gas? |
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| asked by Icse (ajinsumesh) 7 years ago |
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What's the colour of potassium nitrite (KNO2)? |
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| asked by Ansh Thamke (ansh_cr7) 7 years ago |
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Difference between titration and neutralisation? |
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| asked by Xyz (san_ika) 7 years ago |
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Why does sulphite and carbonate ions love hydrogen ion more than active metal ions? |
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| asked by Satendra singh (skshooda) 7 years ago |
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Please guide me where can I get answers to physics Icse 2017 paper |
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| asked by Priyal Lath (priyallath) 7 years ago |
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Give a test to distinguish between
@ ethanol and acetic acid
Is in I can use neutral ferric chloride solution with Acetic Acid which will give wine red colour |
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| asked by SWAGATAM BAZ (icse2017) 7 years ago |
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are double mixed and complex salts in the syllabus??? |
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| asked by Steny James (steny) 7 years ago |
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