ICSE − Q & A

Name a chemical im which gold can be dissolved(Aqua regia??)
A compound used to dry ammonia

Guys can u plz tell me the ones which have max and min periodic properties like max ionisation potential and it's min and max electron affinity and it's min....etc even the other periodic properties plzzzzz

All the best guys.......just ignore those indecent comments

how to distinguish ethanol and ethanoic acid ?

All the best guys for ur chem exam .......Do not get diverted, concentrate and do well. Thank u.

Mass of 10^22 molecules of oxygen...pls answer

guys can any1 tell m did ans........what happens when conc.h2so4 reacts with active metals like k and na

Recently i was going through the q & a and noticed random indecent comments from random users. Its affecting the decency of this site.
If you guys can , post down the names of all those fake accounts in this thread. I will bruteforce them down as soon as possible.

In vd tb on pg 138 in definition of roasting it says : Roasting is the process of heating the conc ore in the presence of excess air to a high temperature before it is reduced to a METAL. I think writing metallic oxide instead of metal would be appropriate. Do u think so? But going against book can also cause a problem.

Yellowish green solid Q turns reddish brown on heating. Its aq. soln gives white ppt with BaCl2 soln. This precipitate is insoluble in all mineral acid. Name Q