Biology; Chemistry; Physics: Post your doubts here!

[muaz_ali]

green to pink im sure of it



Damn! i wrote the same thing for the empirical formula and the molecular formula : C3H7OH is it wrong ?

Well, Idk. But empirical formula is always in the combined shape, not like structural.

 

[muaz_ali]

In titration ques, the 1st and 3rd readings were to ticked?

yes.

 

[Qasim Hafeez]

In titration ques, the 1st and 3rd readings were to ticked?

?

 

[muaz_ali]

1st reading was 25.2 cm3 and 3rd was 25.4, so average was 25.3 cm3

 

[Qasim Hafeez]

yes.

thanks , and the percentage of 'N' was 21.21% ?

 

[muaz_ali]

yeah right. hope p2 and p1 comes just as easy like this. So what subjects are you giving this year.?

 

[Qasim Hafeez]

the first part of that titration ques...answer was 5*10^-4 ?

then for 2nd part we multiplied it by 5

 

[Qasim Hafeez]

yeah right. hope p2 and p1 comes just as easy like this. So what subjects are you giving this year.?

Phy,Chem,English,Socio, Computers Science, Maths, Add.Maths

 

[Qasim Hafeez]

and do you remember the answer for the graph question?

 

[chum1234]

yes.

paper 32 or ...???

 

[muaz_ali]

and do you remember the answer for the graph question?

Well I think it was 87.5-.48 for 2nd experiment. you do the math.

 

[muaz_ali]

Phy,Chem,English,Socio, Computers Science, Maths, Add.Maths

what typa subject is socio?

 

[Qasim Hafeez]

what typa subject is socio?

sociology

 

[Qasim Hafeez]

Well I think it was 87.5-.48 for 2nd experiment. you do the math.

and for experiment 2, it was 60?

 

[muaz_ali]

i don't clearly know now. But, sociology m kya hota hy? kis type ki studies?

 

[Qasim Hafeez]

i don't clearly know now. But, sociology m kya hota hy? kis type ki studies?

its just the study of our society, education and other sectors like that

 

[Ch.Walid]

Here's a great video explaining trends in the periodic table.

Trends in the periodic table

 

[muaz_ali]

how was bio's paper?
and what was that answer of down's syndrome cause mcq?

 

[Gore4Lyf.]

both were ez. i think the down syndrome one was A, due to mutation in the chromosome of ova? i cant remember exactly.

 

[Alpha Destro]

what was the answer of the mcq in which they asked when the male reproductive gamete enters a pollen tube in a plant