ICSE − Q & A

THE NUMBER OF ATOMS IN 10 LITS OF AMMONIA

What happens if the respaper admins keep spamming me will they"Find me and kill me" plz tell me someone understood the reference and plz ans my ques....

*A METAL IN ANION FORM

+ 1 more questions by mdarfath  

our teacher never thought us mole concept . will this come in compulsory(sec A ) part
asked by Rtstud (mdarfath) 6 years ago
1

Can anything on the laboratory preparation of salts be asked(Pg.52 of Dalal book onwards)? (And don't ask me to simply 'go through it', I've done that.)

Can Someone help me with this numerical plz 
What volume of O2 at s.t.p will be obtained by the action of heat on 20g of KClO3 
(K=39, Cl=35.5, O=16)

Are periodic properties such as nature of oxides, hydroxides, oxy acids....there ?

The element which gets tarnished in moist air (options: Lead, aluminium, iron)

Name a black substance which is a oxidising agent and a catalyst

Distinguish between electrolytic methods of reduction and refining(Chapter 7D-aluminium)

+ 1 more questions by nehalg  

An electrolysis plant produces 315.5 litres of chlorine at STP per day by electrolysis of molten sodium chloride. The reaction which occurs is 2NaCl---->2Na + Cl- (a) what is the daily requirement(in kilograms) of common salt in the plant (b)How much metallic sodium is produced daily? (Pls show the working if you don't mind....)
asked by Nehal G (nehalg) 6 years ago
2

Why are the wooden shelves on which concentrated sulfuric acid bottles keep getting stained black?