Chemistry The rusting of iron is a/an Physical change Electrical change None of these Electrochemical change Physical change Electrical change None of these Electrochemical change ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Noble gases Light metals Halogens Heavy metals Noble gases Light metals Halogens Heavy metals ANSWER DOWNLOAD EXAMIANS APP
Chemistry Identify the metal which is non toxic in nature. Chromium Cobalt Cadmium Gold Chromium Cobalt Cadmium Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is a covalent compound ? Calcium chloride Sodium chloride Carbon tetrachloride Magnesium fluoride Calcium chloride Sodium chloride Carbon tetrachloride Magnesium fluoride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal is the heaviest in periodic table among the following ? Os W Pb Pt Os W Pb Pt ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gobar gas contains mainly : Methane Ethylene Acetylene Propylene Methane Ethylene Acetylene Propylene ANSWER DOWNLOAD EXAMIANS APP
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