Chemistry Iron filings can be separated from a heterogenous mixture using the technique of : Evaporation Sedimentation Sublimation Magnetization Evaporation Sedimentation Sublimation Magnetization ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to emission of which of the following in to the atmosphere ? Oxides of nitrogen and sulphur Ozone and carbon dioxide Carbon monoxide and nitrogen Carbon dioxide and carbon monoxide Oxides of nitrogen and sulphur Ozone and carbon dioxide Carbon monoxide and nitrogen Carbon dioxide and carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is filled in ballons because It is one of the constitutents of water Its atomic number is 2 It is lighter than air It is a noble gas It is one of the constitutents of water Its atomic number is 2 It is lighter than air It is a noble gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aluminium can be purified by Electrolysis Distillation Ozonolysis Oxidation Electrolysis Distillation Ozonolysis Oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The noble gas used in radiotherapy is Radon Argon Neon Xenon Radon Argon Neon Xenon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following forms of phosphorus is most reactive? Black phosphorus Red phosphorus Violet phosphorus White phosphorus Black phosphorus Red phosphorus Violet phosphorus White phosphorus ANSWER DOWNLOAD EXAMIANS APP