Biology; Chemistry; Physics: Post your doubts here!

[Tharindu]

tell the question and year plz...
i think it should be C btw.

it would a ppt reaction with NaCl with lead(2)cl will form white compunds..
and nothing would happen to the other one..

2011 (11) oct nov...Question 2

 

[falcon678]

tell the question and year plz...
i think it should be C btw.

it would a ppt reaction with NaCl with lead(2)cl will form white compunds..
and nothing would happen to the other one..

sorri dude sodium cant be replcd fr a precipatate to frm...

 

[Tharindu]

I'm confused...

 

[Spidey21]

2011 (11) oct nov...Question 2

hte to admit but it is B..:|

 

[Tharindu]

Ah yeaaa I got it...it's B

 

[Spidey21]

sorri dude sodium cant be replcd fr a precipatate to frm...

yeah i did not think it over...

 

[falcon678]

yeah i did not think it over...

just dont do this in exams....

Ah yeaaa I got it...it's B

got it..?? simple enough!!!

 

[Tharindu]

Shall I suggest something...shall we share some tricky questions that we have encountered....and solve themmm.....it would help to keep in mind and definitely helpful to others

 

[Tharindu]

just dont do this in exams....



got it..?? simple enough!!!

Yep

 

[falcon678]

Shall I suggest something...shall we share some tricky questions that we have encountered....and solve themmm.....it would help to keep in mind and definitely helpful to others

thtz a nixe option...!!!

 

[Tharindu]

In many questions I've seen they ask for colours of stuff like sodium,copper, mg, etc and even compounds....how do we know the colours

 

[Tharindu]

thtz a nixe option...!!!

I'm serious...tht would make learning more fun and less boring with arguements and stuff

 

[falcon678]

I'm serious...tht would make learning more fun and less boring with arguements and stuff

dude chem is only subjct wich cant be made fun........but v r gettin side trackd here now...

 

[Tharindu]

dude chem is only subjct wich cant be made fun........but v r gettin side trackd here now...

...hehe answer my question in the before post )) pls

 

[falcon678]

In many questions I've seen they ask for colours of stuff like sodium,copper, mg, etc and even compounds....how do we know the colours

u askin for their colours in solid states i hope...??

 

[Spidey21]

In many questions I've seen they ask for colours of stuff like sodium,copper, mg, etc and even compounds....how do we know the colours

first and 2nd group metals are always grey and make white compounds e.g Mg, Ca, Na, etc
tranistion metals have various colours e.g Ferrous is green, Ferrick is red, Copper is Pink, etc..

 

[falcon678]

first and 2nd group metals are always grey and make white compounds e.g Mg, Ca, Na, etc
tranistion metals have various colours e.g Ferrous is green, Ferrick is red, Copper is Pink, etc..

dude u mixd up solids n aqueous state's colours...!!!!

 

[Tharindu]

u askin for their colours in solid states i hope...??

I duno there...Everything that we need to kno for the exam

 

[Tharindu]

dude u mixd up solids n aqueous state's colours...!!!!

Tell me the things I need to know about colours...everything pls....I actually mixed up everything in chem

 

[Spidey21]

dude u mixd up solids n aqueous state's colours...!!!!

well i just shared what i knew..