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Chemistry: Post your doubts here!
I think it doesnt join it forms an ionic bond like electron transfer and thats all. -
Chemistry: Post your doubts here!
Transition elements.Cu and Mg can have +2 but they arent in same group -
Chemistry: Post your doubts here!
I think its enthalpy change per mole H20 formed,as same moles formed and enthalpy of neutralisation is mostly 56-57 its C. -
Chemistry: Post your doubts here!
You should give your book a reading once or twice.All of these are more or less simple and factual based.So revise and then see if you can solve for yourself. -
Chemistry: Post your doubts here!
Can someone explain these to me? Metanoia qwertypoiu -
Chemistry: Post your doubts here!
If a compound has a ring in it,does that mean all bonds will be at angles and there will be no possibility of Cis Trans at any double bond inside the ring? Metanoia -
Physics practical - ( 34 ) GT and General discussion.
Below 30 and above 35? :P I guess it'll be 29-30 not lower.Where did most screw up though? -
How was physics 34
Really? Where did you guys mess up.i thought it was fairly simple -
Phys p12 and Chem p12- 9th and 10th June,2015 Tips!
Diameter half so area quarter.Volume constant so Length multiplied by 4. New expression : P4l/(1/4)A which means P16/l of original Hence new is 0.2 x 16=3.2 -
Phys p12 and Chem p12- 9th and 10th June,2015 Tips!
Liquids can be compressed but very slightly.I think its best to solve that by elimination though. -
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How was chem p34
It would have be 1/8*100.As we take 2 readings and in every there is chance of 0.5 error so max in 2 is 1 -
How was chem p34
There would be total 5 marks for accuracy with supervisor results.3 in titration,2 in Enthalpy change one. -
Phys p12 and Chem p12- 9th and 10th June,2015 Tips!
What do you mean 15 to fill OMR sheet? -
Phys p12 and Chem p12- 9th and 10th June,2015 Tips!
Im starting Chem mcqs now,phy did from 2004-2014 june variants.You can check the answers here,if you still need help i'll be glad to : http://physics-ref.blogspot.com/2014/10/9702-june-2014-paper-12-worked.html -
Phys p12 and Chem p12- 9th and 10th June,2015 Tips!
Like i said completely focus for 1 hour.Shut away things like mobiles and other distractors.And time your paper.Learn to cope under pressure and soon your brain will adapt -
Phys p12 and Chem p12- 9th and 10th June,2015 Tips!
Really?I just did that and got 36.Just remember to focus,read every question carefully and fully use your time while practising. -
How was chem p34
An A IA, usually gt is around 27 expecting at least 30 -
How was chem p34
I didnt get any color change with ki,mixture remained orange-red and when i added starch it turned blue-black. -