ICSE − Q & A

1 An acidic drying agent
2 solution which readily absorbs co2
3 salt soluble in excess of nh4oh
4 chemical name for corundum
5 a precpitate solible in naoh 
Options: baso4,magnesium oxide,koh,agcl,al2o3,p2o5,
zn(oh)2

Contact process is not in syllabus right?

http://www.respaper.com/dgenerationx/7723-pdf.html?cmd=conv ...a must practice question paper for d upcoming chem xm.....n ha d very 1st que is my doubt...which compound has all 3 chemical bonds??

2. A gas cylinder can hold 1 kg of hydrogen. Under the same condition of temperature and pressure,	
i)	Find the weight of sulphur dioxide it can hold. [at wt of S=32, O=16]

Pg 85 Q7 Viraf Dalal bk

Just a  random Q- To which groups do the lanthanides and actinides belong?

Lil confuse...

Ques :  1.A binary insol. Salt
             2. A tertiary salt??

am I the only one that feels that the papers were relatively hard this year? it seems like everyone on this site is getting like 95+ and i'm over here just hoping i'd get a 90+

Hey ,i have a doubt regarding biology plz check here👇

what r the 3 examples for compounds with dative bonds given in the viraf J dalal book
i hv the 2014 version and only h3o+ and nh4+ are given.