Chemistry Which one of the following is used for dating very old objects of archaeological importance? Tritium Radium Carbon-14 Phosphorus-31 Tritium Radium Carbon-14 Phosphorus-31 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used for making aircrafts and rockets is Lead Copper Aluminium Nickel Lead Copper Aluminium Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The monomers of dacron are Ethylene glycol and terephthalic acid Ethylene glygol and phthalic acid Decane and decanol Decanone and decanol Ethylene glycol and terephthalic acid Ethylene glygol and phthalic acid Decane and decanol Decanone and decanol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chloroform can be used as Antimalarial Analgesic Anaesthetic Antibiotic Antimalarial Analgesic Anaesthetic Antibiotic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a greenhouse gas ? Carbon dioxide Nitric oxide Chlorofluorocarbon Hydrogen Carbon dioxide Nitric oxide Chlorofluorocarbon Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to make light weight, but strong plastic ? Methyl Methacrylate Polyvinyl Chloride Nylon Polythene Methyl Methacrylate Polyvinyl Chloride Nylon Polythene ANSWER DOWNLOAD EXAMIANS APP