Chemistry Which of the following is not a method of preparing oxygen? Decomposition of manganese dioxide Decomposition of potassium permanganate Electrolysis of water Fractional distillation of liquid air Decomposition of manganese dioxide Decomposition of potassium permanganate Electrolysis of water Fractional distillation of liquid air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Select the one which is not a mixture : Air Gasoline LPG Distilled water Air Gasoline LPG Distilled water 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. HNO3 and conc. H2SO4 Conc. HCl and conc. HNO3 Dil. HCl and dil. HNO3 Conc. HNO3 and conc. HCl Conc. HNO3 and conc. H2SO4 Conc. HCl and conc. HNO3 Dil. HCl and dil. HNO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water gas is the mixture of Carbon dioxide and nitrogen Carbon monoxide and hydrogen Carbon dioxide and hydrogen Carbon monoxide and nitrogen Carbon dioxide and nitrogen Carbon monoxide and hydrogen Carbon dioxide and hydrogen Carbon monoxide and nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chile saltpeter is the common name of: Potassium nitrate Potassium nitrite Sodium nitrate Sodium nitrite Potassium nitrate Potassium nitrite Sodium nitrate Sodium nitrite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statements is not correct? Vulcanisation of rubber makes it Withstand higher temperatures Chemical resistant Strong and hard Soft and flexible Withstand higher temperatures Chemical resistant Strong and hard Soft and flexible ANSWER DOWNLOAD EXAMIANS APP
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