Chemistry Which of the following is used as a lubricant in heavy machines? Bauxite Phosphorus Sulphur Graphite Bauxite Phosphorus Sulphur Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass of one Avogadro number of helium atom is 4.00 gram 4 x 6.02 x 1023 gram 8.00 gram 1.00 gram 4.00 gram 4 x 6.02 x 1023 gram 8.00 gram 1.00 gram ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ferrous sulphate is used in water treatment as a/an Reducing agent Adsorbent Coagulant aid Oxidizing agent Reducing agent Adsorbent Coagulant aid Oxidizing agent ANSWER DOWNLOAD EXAMIANS APP
Chemistry In drinking water supply, which of the following treatments is not involved Softening Sedimentation Coagulation Disinfection Softening Sedimentation Coagulation Disinfection ANSWER DOWNLOAD EXAMIANS APP
Chemistry Forth floatation process to concentrate the minerals is applicable to Haematite Calamine Chalcopyrites Bauxite Haematite Calamine Chalcopyrites Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'laughing gas' is Nitric oxide Nitrogen pentoxide Nitrogen dioxide Nitrous oxide Nitric oxide Nitrogen pentoxide Nitrogen dioxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP