Chemistry What is the chemical name for ‘Baking Soda’ ? Sodium nitrate Sodium bicarbonate Sodium carbonate Sodium nitrite Sodium nitrate Sodium bicarbonate Sodium carbonate Sodium nitrite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Trinitrotoluene is Used to melt metals Used as an abrasive Used as an explosive Used to fuse two metals Used to melt metals Used as an abrasive Used as an explosive Used to fuse two metals ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ruby and sapphire are oxides of Iron Tin Copper Aluminium Iron Tin Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Magnetite is Fe3O4 2Fe2O3. 3H2O Fe2O3 FeCO3 Fe3O4 2Fe2O3. 3H2O Fe2O3 FeCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one among the following is not a mixture? Glass Brass Graphite Steel Glass Brass Graphite Steel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main buffer system of the human blood is H2CO3 - CO32- NH2CONH2 - NH2CONH+ H2CO3 - HCO3 CH3COOH - CH3COO- H2CO3 - CO32- NH2CONH2 - NH2CONH+ H2CO3 - HCO3 CH3COOH - CH3COO- ANSWER DOWNLOAD EXAMIANS APP
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