Chemistry The gas used for artificial fruit ripening of green fruit is Acetylene Ethane Methane Ethylene Acetylene Ethane Methane Ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper substances when exposed to air gains a green coating due to the formation of: CuSO4 CuCO3 Cu(OH)2 CuO Cu(NO3)2 CuSO4 CuCO3 Cu(OH)2 CuO Cu(NO3)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide bleaches colouring matter by : Oxidation Decomposition Dehydration Reduction Oxidation Decomposition Dehydration Reduction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of d-electrons in Fe2+ (Z = 26) is not equal to that of s-electrons in Mg(Z = 12) d-electrons in Fe(Z = 26) p-electrons in Ne(Z = 10) p-electrons in CI(Z = 17) s-electrons in Mg(Z = 12) d-electrons in Fe(Z = 26) p-electrons in Ne(Z = 10) p-electrons in CI(Z = 17) ANSWER DOWNLOAD EXAMIANS APP
Chemistry The third shell of an atom can have a maximum of ______ electrons 13 21 15 18 13 21 15 18 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The total energy of revolving electron in an atom Can never be positive Can have any value above zero Will always be positive Cannot be negative Can never be positive Can have any value above zero Will always be positive Cannot be negative ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS