Qualification > Sciences

CHEM AND BIO HELP AND TIPS HERE

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rhea:

--- Quote from: Kimo Jesus on June 06, 2010, 06:02:43 pm ---well , for compound su jst have to learn by heart

Nitrogen DIOXIDE is brown fumes

im not sure about sulfure dioxide  but whn u burn sulfur in air it produces blue flame


group 1 nitrates  ( EXCPT LITHIUM ) form EX: NANO3 --> NANO2 + 02 ( A NITRITE AND OXGYEN ) <---THIS IS NOT BALANCED

GROUP 2 + LI + TRANS METALS FORM  EX l ZnNo3 ---> ZnO + nitrogen dixode + oxygen <---this is nto balancd

--- End quote ---


ohh..
last doubt!
s07 - q 7 b (i)

CatAly$t:
how to draw this??

WARRIOR:

--- Quote from: rhea on June 06, 2010, 06:05:20 pm ---
ohh..
last doubt!
s07 - q 7 b (i)

--- End quote ---

DIOL DICARBOXYIL ACID 

i cnt draw it sorry :/

rhea:

--- Quote from: CatAly$t on June 06, 2010, 06:06:06 pm ---how to draw this??

--- End quote ---

yeh!

igext:

--- Quote from: Kimo Jesus on June 06, 2010, 06:10:24 pm ---DIOL DICARBOXYIL ACID 

i cnt draw it sorry :/




--- End quote ---
what conditions of rxns do we need to know other than haber and contact?

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