Chemistry Copper substances when exposed to air gains a green coating due to the formation of: Cu(NO3)2 CuSO4 CuO CuCO3 Cu(OH)2 Cu(NO3)2 CuSO4 CuO CuCO3 Cu(OH)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water can be separated from alcohol water mixture by Sublimation Evaporation Distillation Decantation Sublimation Evaporation Distillation Decantation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is used in photography ? Silver bromide Sodium chloride Aluminium hydroxide Potassium nitrate Silver bromide Sodium chloride Aluminium hydroxide Potassium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Coal is formed from Compressed and hardened biomass Deposit of animal waste Crude oil Coke Compressed and hardened biomass Deposit of animal waste Crude oil Coke ANSWER DOWNLOAD EXAMIANS APP
Chemistry The structure of NaCl crystal is Body centered cubic Square planar Face centered cubic Octahedral Body centered cubic Square planar Face centered cubic Octahedral ANSWER DOWNLOAD EXAMIANS APP
Chemistry The isomerism which exists between CH3CHCI2 and CH2CI. CH2CI is chain isomerism positional isomerism functional group isomerism metamerism chain isomerism positional isomerism functional group isomerism metamerism ANSWER DOWNLOAD EXAMIANS APP
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