Chemistry Conduction band electrons have more mobility than holes because they Are lighter Experience collision less frequently Need less energy to move them Have negative charge Are lighter Experience collision less frequently Need less energy to move them Have negative charge ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain' is caused due to air - pollution by Carbon dioxide Methane Carbon monoxide Nitrous oxide and sulphur dioxide Carbon dioxide Methane Carbon monoxide Nitrous oxide and sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main constituent of natural gas is Propane Ethane Methane Butane Propane Ethane Methane Butane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of ‘Common salt’ is Ammonium chloride Sodium chloride Calcium chloride Sodium nitrate Ammonium chloride Sodium chloride Calcium chloride Sodium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The sewage obtained from water closets and urinals is known as Garbage Industrial waste Sanitary waste Sullage Garbage Industrial waste Sanitary waste Sullage ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is a carbohydrate ? Hydrogen peroxide Cane-sugar Nylon Turpentine Hydrogen peroxide Cane-sugar Nylon Turpentine ANSWER DOWNLOAD EXAMIANS APP
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