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ResFinder - Thousands of Practice Papers
| how many of you are planning to attempt an extra question if there's time? |  | 
| asked by Eliz (eliz1995) 8 years ago | 
| 6 | 
| Let's see who can answer....
Why methane has a tetrahedral structure?
Source:Selina |  | 
| asked by Richeek Das (hamba) 8 years ago | 
| 2 | 
| what's electro positivity ? how does it change across the period and group? |  | 
| asked by Idk (dency66) 8 years ago | 
| 1 | 
| 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 |  | 
| asked by 45Trolaf (olaf) 8 years ago | 
| 1 | 
| Copper,though a good conductor of electricity but an non electrolyte  (give reason ) |  | 
| asked by P.Vignesh (golaanvi) 8 years ago | 
| 2 | 
| Give reason: concentrated sulphuric acid maybe added during esterification of acetic acid. |  | 
| asked by Shreyas Kulkarni (shreyas25164909) 8 years ago | 
| 2 | 
| Why does Nitrogen have more Ionization power than Oxygen? |  | 
| asked by Mohammed Malik Sharaf (mmks1234) 8 years ago | 
| 3 | 
| Why does chlorine have more electron affinity than fluorine? |  | 
| asked by Pewdiepie (pewdiepie_1) 8 years ago | 
| 2 | 
| Can some one give the link for vin dalal text book??
Plzz |  | 
| asked by Padma Kamaraj (weirdo_007) 8 years ago | 
| 2 | 
| With everyone leaving, I too will leave the site till 7 April. If you have any doubts, message me today itself. I will not be answering on q /a or prelim papers. 
Thank you. |  | 
| asked by eeshaan17 8 years ago | 
| 2 |