Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Water Oxides of mineral elements Carbonates from soil Carbon dioxide Water Oxides of mineral elements Carbonates from soil Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is a soluble salt in H2O PbCl2 CuS Zn(OH)2 CaCl2 PbCl2 CuS Zn(OH)2 CaCl2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main source of Naphthalene is Diesel Coal-tar Charcoal Camphor Diesel Coal-tar Charcoal Camphor ANSWER DOWNLOAD EXAMIANS APP
Chemistry Removal of carbon particles from air involves the principle of Filteration Sedimentation Electrophoresis Precipitation Filteration Sedimentation Electrophoresis Precipitation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aquaregia is a mixture of the following in the ratio 1 : 3 by volume Conc. HNO3 and conc. HCl Conc. HCl and conc. HNO3 Dil. HCl and dil. HNO3 Conc. HNO3 and conc. H2SO4 Conc. HNO3 and conc. HCl Conc. HCl and conc. HNO3 Dil. HCl and dil. HNO3 Conc. HNO3 and conc. H2SO4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main component of liquid bleach is: Hydrochloric acid Sodium chloride Sodium hypochlorite Sodium hypochlorate Hydrochloric acid Sodium chloride Sodium hypochlorite Sodium hypochlorate ANSWER DOWNLOAD EXAMIANS APP
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