Chemistry The chemical formula of the laughing gas is N2O3 N2O NO NO2 N2O3 N2O NO NO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry In an oxygen molecule, two atoms are united by Four bonds Three bonds Two bonds One bond Four bonds Three bonds Two bonds One bond ANSWER DOWNLOAD EXAMIANS APP
Chemistry Removal of carbon particles from air involves the principle of Sedimentation Filteration Electrophoresis Precipitation Sedimentation Filteration Electrophoresis Precipitation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is extensively used for sterilizing water ? Bleaching powder Soda powder Alum Borax powder Bleaching powder Soda powder Alum Borax powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is Oxygen Hydrogen All of them Carbon dioxide Oxygen Hydrogen All of them Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Plastic is a type of Polyester None of these Acrylic Polymer Polyester None of these Acrylic Polymer ANSWER DOWNLOAD EXAMIANS APP
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