POST YOUR BIO AND CHEM PAPER 1 DOUBT HERE !!!!

[Lost_Life]

Biology or chemistry?

CHEM

 

[Tekno-M]

If Chem, then it's A.

 

[Lost_Life]

If Chem, then it's A.

YEAH, but in the marking scheme its written C...???

 

[Ahmed Khider]

YEAH, but in the marking scheme its written C...???

Then there must be a mistake..lemme check in my ms

 

[Ahmed Khider]

YEAH, but in the marking scheme its written C...???

I checked the ms it says the ans is A..Chech that u have opened the right ms

 

[Lost_Life]

I checked the ms it says the ans is A..Chech that u have opened the right ms

i did :L

 

[Ahmed Khider]

i did :L

I opened the ms from xtremepapers itself!! Check it out http://www.xtremepapers.com/papers/CIE/Cambridge IGCSE/Chemistry (0620)/0620_s06_ms_1.pdf

 

[L-Girl]

can someone please help me in chem, november 2005 question 19?
i don't get why zinc hydroxide should be in solid state!

 

[Rahma Abdelrahman]

can someone please help me in chem, november 2005 question 19?
i don't get why zinc hydroxide should be in solid state!

When the Q. says excess, then Excess method applies here which includes adding excess of a SOLID reagent to an acid so both reagents should be solids.

 

[L-Girl]

When the Q. says excess, then Excess method applies here which includes adding excess of a SOLID reagent to an acid so both reagents should be solids.

thanks a lot

 

[L-Girl]

are ureters and urethra organs? or they are tissues?

 

[Ahmed Khider]

are ureters and urethra organs? or they are tissues?

They definitely are tissues.

 

[L-Girl]

They definitely are tissues.

thanks

 

[Lujain M.]

how do I solve Q29 p1 nov. 2009 ? I dont understand how is it ans A :S

 

[Rahma Abdelrahman]

are ureters and urethra organs? or they are tissues?

They are organs!

 

[Rahma Abdelrahman]

They definitely are tissues.

THEY ARE NOT TISSUES !

 

[Rahma Abdelrahman]

how do I solve Q29 p1 nov. 2009 ? I dont understand how is it ans A :S

I checked the ms it says B, any explanation needed?

 

[Abu mota]

They are organs!

yes u r right

how do I solve Q29 p1 nov. 2009 ? I dont understand how is it ans A :S

chem or bio? and which variant?

 

[Lujain M.]

I checked the ms it says B, any explanation needed?

Nooo It says A

 

[Lujain M.]

yes u r right

chem or bio? and which variant?

bio and variant 1