What are the effect of impurities on resistivity, Effect of impurities on r...

Effect of impurities on resistivity: A  small  percentage  of  impurities  can  result  in  substantial  increase  in  resistivity  i.e. decrease in the conductivity. Mathem

Noble gases, NOBEL GASES With their closed-shell electron design the nob...

NOBEL GASES With their closed-shell electron design the noble gas elements of group 18 were long regarded as chemically inert. However, in 1962 Bartlett pinpoint that the ioniza

Sodium and chlorine reacts, When sodium and chlorine reacts then: (1) E...

When sodium and chlorine reacts then: (1) Energy is released and ionic bond is formed (2) Energy is released and a covalent bond is formed (3) Energy is absorbed and ioni

Standard Enthalpies of Formation, Write a reaction for which the enthalpy c...

Write a reaction for which the enthalpy change will be (delta H) for solid aluminum oxide.

Melting points, what is the m.p naphthalene,ammonia oxalate,citric acid ,na...

what is the m.p naphthalene,ammonia oxalate,citric acid ,naphthyl acetic acid

Equivalent weight, how do you calculate equivalent weight of salts

how do you calculate equivalent weight of salts

Uses of BHC,

Catalyst, How sodium carbonate can increase surface area of a catalyst

How sodium carbonate can increase surface area of a catalyst

Liebermann nitroso reaction, Liebermann's nitroso reaction While pheno...

Liebermann's nitroso reaction While phenol is reacted with NaNO 2 and concentrated H 2 SO 4 , it provides a deep green or blue colour which changes to red on dilution with wa

Equivalent weight, how to calculate equivalent weight of given substance? l...

how to calculate equivalent weight of given substance? like K2C2O2.H2O