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In brown ring test, conc. Sulphuric acid is poured from the sides of the test tube and not directly into it.Give reason. |
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| asked by Anushree Pandit (anushree_pandit) 8 years ago |
3 |
What property of an element is measured by its electro negativity? |
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| asked by Shivaanee sharma (shivaanee22) 8 years ago |
2 |
how many of you are planning to attempt an extra question if there's time? |
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| asked by Eliz (eliz1995) 8 years ago |
6 |
Let's see who can answer....
Why methane has a tetrahedral structure?
Source:Selina |
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| asked by Richeek Das (hamba) 8 years ago |
2 |
what's electro positivity ? how does it change across the period and group? |
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| asked by Idk (dency66) 8 years ago |
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When excess lead nitrate was added to a solution of sodium sulphate, 15.5g of PbSO4 precipitated out. What mass of Sodium sulphate was required?
Na2SO4+Pb(NO3)2 ------ PbSO4(ppt.)+ 2NaNO3
Na=23;S=32;O=16;Pb=207;N=14 |
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| asked by 45Trolaf (olaf) 8 years ago |
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Copper,though a good conductor of electricity but an non electrolyte (give reason ) |
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| asked by P.Vignesh (golaanvi) 8 years ago |
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Give reason: concentrated sulphuric acid maybe added during esterification of acetic acid. |
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| asked by Shreyas Kulkarni (shreyas25164909) 8 years ago |
2 |
Why does Nitrogen have more Ionization power than Oxygen? |
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| asked by Mohammed Malik Sharaf (mmks1234) 8 years ago |
3 |
Why does chlorine have more electron affinity than fluorine? |
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| asked by Pewdiepie (pewdiepie_1) 8 years ago |
2 |
