ICSE − Q & A

A process by which the metallic oxide coating on the surface of metals is cleansed 
is the answer pickling of metals or roasting?

anyone intrested in 1994 chemistry paper

Foe electron dot structure of hydronium ion do we draw two electrons btwin o and h or an arrow

+ 1 more questions by jojojo  

Ppl it's given conc hno3 renders fe passive but in dalal the reaction is given?
asked by Jesse Bolt (jojojo) 8 years ago
1

http://www.respaper.com/boymanner/769-pdf.html Anyone finding practical chemistry hard this will help you!

guys i need to study 3 more big lessons as i didnt do them coz of some reason....in the metallurgy chapter just say what all things have to be taken care of ?/ and do we need to study that process involved during metallurgy like dressing of ore ,concentration etc etc etc etc  ?? plz

there is step marking in icse...isnt it???

Is Goldschmidt's aluminothermic process (Thermit welding) der in syllabus ?

which all chapters are important in chemistry?

Name an acid which on reaction with lead nitrate produces a white ppt which is insoluble even on heating... Pls ans

name an acid used to prepare  a non volatile acid??is answer  oleum or sulphuric  acid??