Chemistry The electronic configuration of an atom having atomic number ‘20’ is 2, 10, 8 2, 8, 10 2, 8, 8, 2 2, 6, 8, 4 2, 10, 8 2, 8, 10 2, 8, 8, 2 2, 6, 8, 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry An alloy used in making heating elements for electric heating device is Solder Alloy Steel Nichrome German Silver Solder Alloy Steel Nichrome German Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sour taste of lemon is due to the presence of which of the following ? Acetic acid Oxalic acid Formic acid Citric acid Acetic acid Oxalic acid Formic acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion in Ozone layer is caused by ________ . Methane Nitrous oxide Carbon dioxide Chlorofluorocarbons Methane Nitrous oxide Carbon dioxide Chlorofluorocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tear gas is : Bleaching powder Chloroprene Nitrous oxide Carbonyl chloride Bleaching powder Chloroprene Nitrous oxide Carbonyl chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead pencil contains Lead sulphide Ferrous sulphide Lead Graphite Lead sulphide Ferrous sulphide Lead Graphite ANSWER DOWNLOAD EXAMIANS APP
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