Physics, Chemistry and Biology: Post your doubts here!

[mak kings]

http://papers.xtremepapers.com/CIE/Cambridge IGCSE/Physics (0625)/0625_w10_ms_61.pdf Q3c .... it aint very hard....bt i cnt understant it at all ..plz cud sm1 help!

 

[Rockzstar]

Have a look at the Periodic table Metals form Positive ions! and all the others are non metals
I hope you got it

yeaHH got it THANKS !!

 

[ZaqZainab]

so i should Answer like that: Use a microscope to observe the Yest cells using a high magnification, place yeast cells on a cell counter and stain them to make them visible. ( well i guess that answers almost more than half of the question THANK YOU ) i guess what is missing now is to know how to estimate their total population ?

Exactly thats what is missing!

 

[Rockzstar]

http://papers.xtremepapers.com/CIE/Cambridge IGCSE/Chemistry (0620)/0620_s09_qp_1.pdf
Question 14 please explain ....

 

[ZaqZainab]

http://papers.xtremepapers.com/CIE/Cambridge IGCSE/Chemistry (0620)/0620_s09_qp_1.pdf
Question 14 please explain ....

The answer is B as it is the only element which will be formed at the anode it is the only one with -negative ions so it will be formed at anode at the same tile it is the only non metal

 

[Rockzstar]

co

The answer is B as it is the only element which will be formed at the anode it is the only one with -negative ions so it will be formed at anode at the same tile it is the only non metal

could u plz write down the electronic configuration for IODINE ??

 

[ZaqZainab]

2.8.18.18.7

 

[Rockzstar]

http://papers.xtremepapers.com/CIE/Cambridge IGCSE/Chemistry (0620)/0620_s09_qp_6.pdf

Please explain 2 d i and ii

 

[ZaqZainab]

http://papers.xtremepapers.com/CIE/Cambridge IGCSE/Chemistry (0620)/0620_s09_qp_6.pdf

Please explain 2 d i and ii

I hope this helps!

 

[skiko troller]

hey guys, im going to sit my IG's this month ! i need help with che paper 6, what topics should i revise for this paper?

 

[ZaqZainab]

hey guys, im going to sit my IG's this month ! i need help with che paper 6, what topics should i revise for this paper?

This might help

 

[skiko troller]

This might help

thanks

 

[skiko troller]

Does any one know how is the grade calculated in bio.
wish me to get an A*

 

[skiko troller]

1. 

   
   XPC Bot
   
   Sponsored Listing​
   
   
   
   what is this ????

 

[ZaqZainab]

1. 
   
   XPC Bot
   
   Sponsored Listing
   
   
   
   what is this ????

I have no idea! Just have to it is a freaking robot! Which will eat us some day

 

[Rockzstar]

I hope this helps!

thank U sOO muCh ​

 

[ZaqZainab]

thank U sOO muCh ​

You are welcome and if you have any more doubts do ask me !

 

[Rockzstar]

You are welcome and if you have any more doubts do ask me !

on the same question iii ??

 

[skiko troller]

I have no idea! Just have to it is a freaking robot! Which will eat us some day

L0l

 

[ZaqZainab]