Chemistry Which of the following is not a precious/semi-precious stone? Pearl Ruby Emerald Sapphire Pearl Ruby Emerald Sapphire ANSWER DOWNLOAD EXAMIANS APP
Chemistry Removal of carbon particles from air involves the principle of Filteration Precipitation Electrophoresis Sedimentation Filteration Precipitation Electrophoresis Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silicon is a Semiconductor Nonconductor Insulator Conductor Semiconductor Nonconductor Insulator Conductor ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the main compound of voter ink? Ammonium Chloride Ammonium Nitrate Silver Chloride Silver nitrate Ammonium Chloride Ammonium Nitrate Silver Chloride Silver nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxide of sulphur present in the atmosphere are washed down by rains to cause : Eutrophication in lakes Lowering of pH of soil Depletion of fossil fuel reserves Industrial smog formation Eutrophication in lakes Lowering of pH of soil Depletion of fossil fuel reserves Industrial smog formation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is found in Vinegar ? Formic acid Propionic acid Acetic acid Butyric acid Formic acid Propionic acid Acetic acid Butyric acid ANSWER DOWNLOAD EXAMIANS APP
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