Chemistry Terylene is a condensation polymer of ethylene glycol and which acid? Terephthalic acid Phthalic acid Benzoic Acid Salicylic acid Terephthalic acid Phthalic acid Benzoic Acid Salicylic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lightest gas which is non-inflammable is Oxygen Hydrogen Nitrogen Helium Oxygen Hydrogen Nitrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals form an amalgam with other metals ? Tin Zinc Lead Mercury Tin Zinc Lead Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main buffer system of the human blood is CH3COOH - CH3COO- H2CO3 - CO32- H2CO3 - HCO3 NH2CONH2 - NH2CONH+ CH3COOH - CH3COO- H2CO3 - CO32- H2CO3 - HCO3 NH2CONH2 - NH2CONH+ ANSWER DOWNLOAD EXAMIANS APP
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