• We need your support!

    We are currently struggling to cover the operational costs of Xtremepapers, as a result we might have to shut this website down. Please donate if we have helped you and help make a difference in other students' lives!
    Click here to Donate Now (View Announcement)

Biology; Chemistry; Physics: Post your doubts here!

Messages
2,113
Reaction score
982
Points
123
tell the question and year plz...:D
i think it should be C btw.

it would a ppt reaction with NaCl with lead(2)cl will form white compunds..:D
and nothing would happen to the other one..:D
sorri dude sodium cant be replcd fr a precipatate to frm... :p
 
Messages
503
Reaction score
73
Points
28
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
 
Messages
503
Reaction score
73
Points
28
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
 
Messages
3,809
Reaction score
3,115
Points
273
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..:D
 
Messages
2,113
Reaction score
982
Points
123
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..:D
dude u mixd up solids n aqueous state's colours...!!!! :p
 
Top