Chemistry Freon' used as refrigerants is chemically Chlorinated hydrocarbon Fluorinated aromatic compound Chlorofluoro hydrocarbon Fluorinated hydrocarbon Chlorinated hydrocarbon Fluorinated aromatic compound Chlorofluoro hydrocarbon Fluorinated hydrocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Peptization is a process of Purification of colloids Precipitation of colloidal particles Protection of colloidal solution Dispersing precipitates into colloidal solution Purification of colloids Precipitation of colloidal particles Protection of colloidal solution Dispersing precipitates into colloidal solution ANSWER DOWNLOAD EXAMIANS APP
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 pollution of atmosphere by Oxides of nitrogen and phosphorous None of these Oxides of carbon and nitrogen Oxides of nitrogen and sulphur Oxides of nitrogen and phosphorous None of these Oxides of carbon and nitrogen Oxides of nitrogen and sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of vinegar is Ethanol Acetic acid Acetone Formaldehyde Ethanol Acetic acid Acetone Formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element has the highest electronegativity value Chlorine Nitrogen Fluorine Lithium Chlorine Nitrogen Fluorine Lithium ANSWER DOWNLOAD EXAMIANS APP
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