Chemistry Magnalium is an alloy of Aluminium and Magnesium Manganese and Magnesium Aluminium and Zinc Magnesium and Tin Aluminium and Magnesium Manganese and Magnesium Aluminium and Zinc Magnesium and Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a method of preparing oxygen? Fractional distillation of liquid air Decomposition of potassium permanganate Decomposition of manganese dioxide Electrolysis of water Fractional distillation of liquid air Decomposition of potassium permanganate Decomposition of manganese dioxide Electrolysis of water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has Stable half filled 2p sub level High nuclear charge Smaller atomic radius High bond dissociation energy Stable half filled 2p sub level High nuclear charge Smaller atomic radius High bond dissociation energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal is extracted from sea water? Beryllium Magnesium Potassium Aluminium Beryllium Magnesium Potassium Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The length of double bond is _______ than single bond Longer Of same lenght Shorter None of these Longer Of same lenght Shorter None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a donor atom? Phosphorus Antimony Aluminium Arsenic Phosphorus Antimony Aluminium Arsenic ANSWER DOWNLOAD EXAMIANS APP