Chemistry In addition to hydrogen, the other abundant element present on Sun’s surface is Oxygen Argon Neon Helium Oxygen Argon Neon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of fire extinguisher is used for petroleum fire ? Powder type None of these Foam type Soda acid type Powder type None of these Foam type Soda acid type ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver nitrate solution is kept in brown bottles in laboratory because Brown bottles do not react with it Brown bottles stops the passage of light through it Brown bottles react with it It reacts with ordinary white bottles Brown bottles do not react with it Brown bottles stops the passage of light through it Brown bottles react with it It reacts with ordinary white bottles ANSWER DOWNLOAD EXAMIANS APP
Chemistry Conduction band electrons have more mobility than holes because they Are lighter Need less energy to move them Have negative charge Experience collision less frequently Are lighter Need less energy to move them Have negative charge Experience collision less frequently ANSWER DOWNLOAD EXAMIANS APP
Chemistry The inert gases are ____ in water sparingly soluble None of these insoluble soluble sparingly soluble None of these insoluble soluble ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ‘Green House effect’ is produced due to the presence of excess amount of Carbon monoxide Sulphur dioxide Methane Nitrogen dioxide Carbon monoxide Sulphur dioxide Methane Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
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