Chemistry Domestic cooking gas consists mostly of Methane and ethane Ethylene and carbon monoxide Liquified butane and isobutane Hydrogen and acetylene Methane and ethane Ethylene and carbon monoxide Liquified butane and isobutane Hydrogen and acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following organic compound is used to remove stains of iron compounds? Cinnamic acid Oxalic acid Phthalic acid Benzoic acid Cinnamic acid Oxalic acid Phthalic acid Benzoic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The water pollution in river is measured by the dissolved amount of Oxygen Chlorine Ozone Nitrogen Oxygen Chlorine Ozone Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a method of preparing oxygen? Decomposition of manganese dioxide Electrolysis of water Decomposition of potassium permanganate Fractional distillation of liquid air Decomposition of manganese dioxide Electrolysis of water Decomposition of potassium permanganate Fractional distillation of liquid air ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compounds formed when hydrogen combines with p-block elements are called Ionic hydrides Metallic hydrides Polynuclear hydrides Molecular hydrides Ionic hydrides Metallic hydrides Polynuclear hydrides Molecular hydrides ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following minerals is found in pure form? Manganese Bauxite Copper Iron Manganese Bauxite Copper Iron ANSWER DOWNLOAD EXAMIANS APP
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