Chemistry Which of the following is not a donor atom? Antimony Aluminium Arsenic Phosphorus Antimony Aluminium Arsenic Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry The electronic configuration of an atom having atomic number ‘20’ is 2, 8, 10 2, 10, 8 2, 8, 8, 2 2, 6, 8, 4 2, 8, 10 2, 10, 8 2, 8, 8, 2 2, 6, 8, 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The monomers of dacron are Decane and decanol Decanone and decanol 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 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used for dating very old objects of archaeological importance? Phosphorus-31 Carbon-14 Tritium Radium Phosphorus-31 Carbon-14 Tritium Radium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the purest commercial form of iron ? Pig iron Wrought iron Stainless steel Steel Pig iron Wrought iron Stainless steel Steel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of an atom is equal to the number of nucleons the number of protons and electrons the number of neutrons the number of protons the number of nucleons the number of protons and electrons the number of neutrons the number of protons ANSWER DOWNLOAD EXAMIANS APP
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