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Kerala (English Medium) / Chemistry Questions

Total Questions 667
1)when thermal cracking is happen? 2) What are the oxides likely to be formed when hydrocarbons burn in air? 3) what is called wash?
1) how is addition reaction takes place give examples
sir, important topic of chemistry to study for state board exam
what is the chemical formula of kerosene ?
what is the chemical formula of diesel ?
what is the chemical formula of petrol ?
how to find formula of a compound $ number of voids filled ? give an example
can you give a short note about closed packed structure
what is electron - rich impurities $ electron -deficient impurities?
ccp$bcc are same? is hcp$ fcc are same?
efficiency of packing in face-centred cubic cell &end -centred cubic cell?
number of atoms in a unit cell in a end (edge)-centered cubic sructure(fcc)
in frenkel defect why is a cation usually dislocated from its normal site to an interstitial site
a compound PQ crystallises in Bcc lattice WITH unit cell edge length of 480pm. calculate the distance between oppositely -charged ions in the lattices
explain wurtz reaction?
write down changes in the energy of molecule in the case of changes listed below solid->liquid liquid->gas liquid ->solid
define chromatography? what are its uses?
uses of adsorption
define adsorption
define sublimation