Chemistry How many electrons in a Hydrogen atom One Four Three Two One Four Three Two ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Water Carbonates from soil Carbon dioxide Oxides of mineral elements Water Carbonates from soil Carbon dioxide Oxides of mineral elements ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical properties of isotopes Must be different Must be same Need not be same Need not be different Must be different Must be same Need not be same Need not be different ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a period from Li to F, ionisation potential Decreases Cannot be predicted Increases Remains same Decreases Cannot be predicted Increases Remains same ANSWER DOWNLOAD EXAMIANS APP
Chemistry Baryllium Sulphate is less soluble in water due to High inflammable energy Lonic band Low inflammable energy Low Energy of dissociation High inflammable energy Lonic band Low inflammable energy Low Energy of dissociation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The increasing abundance of green house gases in atmosphere has led to the following effect except Depletion of ozone layer in the stratosphere Global warming Oxygen fertilization effect Carbon dioxide ferilization effect Depletion of ozone layer in the stratosphere Global warming Oxygen fertilization effect Carbon dioxide ferilization effect ANSWER DOWNLOAD EXAMIANS APP