Chemistry The acid which fails to liberate carbon dioxide from sodium bicarbonate is : Sulphuric acid Carbonic acid Formic acid Acetic acid Sulphuric acid Carbonic acid Formic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used for dating very old objects of archaeological importance? Carbon-14 Tritium Radium Phosphorus-31 Carbon-14 Tritium Radium Phosphorus-31 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main source of lead pollution is from Tobacco Leaded gasoline Insecticides Sewage Tobacco Leaded gasoline Insecticides Sewage ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamonds are glittering and attractive because light incident on them undergoes Highest refraction Multiple internal reflections Hundred percent transmission Multiple surface reflections Highest refraction Multiple internal reflections Hundred percent transmission Multiple surface reflections ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of heterocyclic compound is Anthracene Furan Benzene Naphthalene Anthracene Furan Benzene Naphthalene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? Carbon dioxide Chlorofluorocarbons Sulphur dioxide Nitrous oxide Carbon dioxide Chlorofluorocarbons Sulphur dioxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
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