Chemistry The main buffer system of the human blood is H2CO3 - HCO3 CH3COOH - CH3COO- H2CO3 - CO32- NH2CONH2 - NH2CONH+ H2CO3 - HCO3 CH3COOH - CH3COO- H2CO3 - CO32- NH2CONH2 - NH2CONH+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a micro-element ? Nitrogen Chlorine Hydrogen Oxygen Nitrogen Chlorine Hydrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal is extracted from sea water? Aluminium Beryllium Potassium Magnesium Aluminium Beryllium Potassium Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a natural source of hydrocarbon? Natural Gas Coal Mica Petroleum Natural Gas Coal Mica Petroleum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of safety matches? Sodium Silicon Phosphorus Graphite Sodium Silicon Phosphorus Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is ozone depleting pesticide ? D.T. Ethylene ozonide Methyl bromide Benzene D.T. Ethylene ozonide Methyl bromide Benzene ANSWER DOWNLOAD EXAMIANS APP
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