Chemistry The two metal ions that cause hardness to water are: Sodium, Magnesium Sodium, Potassium Sodium, Calcium Calcium, Magnesium Sodium, Magnesium Sodium, Potassium Sodium, Calcium Calcium, Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry One of the constituents of tear gas is Ether Chloropicrin Ethanol Ethane Ether Chloropicrin Ethanol Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to emission of which of the following in to the atmosphere ? Carbon dioxide and carbon monoxide Carbon monoxide and nitrogen Oxides of nitrogen and sulphur Ozone and carbon dioxide Carbon dioxide and carbon monoxide Carbon monoxide and nitrogen Oxides of nitrogen and sulphur Ozone and carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultra purification of a metal is done by : Slugging Leaching Zone melting Smelting Slugging Leaching Zone melting Smelting ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nuclear particles which are assumed to hold the nucleons together are neutrons mesons electrons positrons neutrons mesons electrons positrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The laws of electrolysis are given by Lewis Ostwald Faraday Arrhenius Lewis Ostwald Faraday Arrhenius ANSWER DOWNLOAD EXAMIANS APP
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