How was Chemistry P1/2

[UziB]

h0w d0es the percentile system actually w0rk?...like if it bec0mes l0w, can a A turn int0 an A*?.....like can v really rely 0n percentile?

Its actually pretty complicated. First they compare the paper with last year's paper, if it was harder this year than last year, they set low mark boundaries for each grade, if it was easier this year than last year, then they increase the mark boundaries for each grade. e.g if last year's paper was easy, and this years paper was hard, they may drop the mark boundary for an A* in theory from 68/75 to 66/75. This is threshold indicator 1.
Once the grade boundaries are set, they check the average percentage of candidates who obtained an A*, say for e.g 12% of the total students obtained A*s. Then they check the average marks on which the 12% of the students obtained A*s for e.g if the average marks turn out to be 65/75, then the percentile drops further and 65/75 is set as the minimum passing mark required for an A* rather than 66/75. This is indicator 2.
They then average the results of all indicators, recheck many times and distribute the grades according to them.

 

[sriez]

I found p1 and p2 both pretty difficult. It was probably because I didn't study much. However all my friends and a lot of people in my hall were extremely happy. They were like this is the easiest ever blah blah blah...
Really tensed about Chemistry

 

[Aamynims]

my paper was okay paper 1 was easy paper 6 was easy but in p2 section a was difficult

exactly my thoughts..

 

[ISFSAT]

same here .
i wonder why other people found it so difficult ?

SAME HERE....I think Paper 1 was easy...and paper2 was also easy except for the A2 question....it was slightly tricky

 

[zara235]

ummmm can we discuss the paper rite now

 

[zara235]

subah subah saare kharaate maar rahe hain

 

[zara235]

anyone started maths prep

 

[pakisatan123]

when will discussion start

 

[pakisatan123]

where are fallen and beloooo

 

[Rimi]

Paper 2 question 2 - White PPT was of Zinc Hydroxide, right?

 

[plantaholic]

I found p1 and p2 both pretty difficult. It was probably because I didn't study much. However all my friends and a lot of people in my hall were extremely happy. They were like this is the easiest ever blah blah blah...
Really tensed about Chemistry

same with me... i feel that because of consecutive 3 exams, i couldn't study and revise very well.. paper was easy but i dont think that my performance was satisfactory anyways Habunallaho wa ni'mal wakeel

 

[beeloooo]

Paper 2 question 2 - White PPT was of Zinc Hydroxide, right?

Q.2 PRECIPITATE = ZINC HYDROXIDE
METAL = ZINC
COLOURLESS SOLUTION = AQ. ZINC NITRATE

 

[beeloooo]

where are fallen and beloooo

here I am Sir

 

[beeloooo]

precipitate cannot be zinc nitrate because zinc nitrate is always soluble

 

[Rimi]

Q.2 PRECIPITATE = ZINC HYDROXIDE
METAL = ZINC
COLOURLESS SOLUTION = AQ. ZINC NITRATE

YESH. My answers are correeecct xD
And what was the ionic quation?
Zn2+(aq) + OH-(aq) --> Zn(OH)2(s)?

 

[Minnie]

what was W, X and Y?

 

[beeloooo]

what was W, X and Y?

W= ZINC HYDROXIDE
X= ZINC
Y= AQ.ZINC NITRATE

 

[beeloooo]

YESH. My answers are correeecct xD
And what was the ionic quation?
Zn2+(aq) + OH-(aq) --> Zn(OH)2(s)?

absolutely correct

 

[bikermicefrmars]

Why were the fuel cell reactions redox?

 

[Rimi]

oh thank goodness xD well, atleast question 2 went okay !