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1 book each or 3 books each
and please to the favour by using a spacebar

why had you posted the same question so many times?

NCERT is a must for all subjects.
for Physics - H C Verma
Chemistry - NCERT
Maths - A Das Gupta
the rest depends on you. it is you who has to do the job.

are you sick?

it is a,b,d,e. as in all these cases the temperatures are same as PV values are same.
P_aV_a = P_bV_b = P_dV_d = P_eV_e = 12

in the above formula there is a chance where the answer is not an integer.
it can be done by using this formula:
no. of hybridised orbitals = no. of sigma bonds attached to the atom + no. of lone pairs attached to that atom

academic?

sorry yaar but all were PJs. bilkul bhi hasi nahin aayi

bin pani ke doob mar. that's great and easy.

and please specify what you want to ask. it is a time-waste for all of us.

are you asking how to post articles on this site?

it depends. last year the topper got 246/254. (two questions were wrong) and the following were not much behind. it changes according to the difficulty. if it repeats you may get 3000. remember below is your rank the no. of students on your is higher.

Hydrogen and its compounds.

there is no subject-wise cut off in AIEEE. cut-off is only in the aggregate marks.

it means that P always moves towards Q. in that case the time becomes d/v+u