Chemistry Acid rain is caused due to pollution of atmosphere by Oxides of nitrogen and phosphorous Oxides of carbon and nitrogen Oxides of nitrogen and sulphur None of these Oxides of nitrogen and phosphorous Oxides of carbon and nitrogen Oxides of nitrogen and sulphur None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most electronegative element among the following is bromine fluorine oxygen sodium bromine fluorine oxygen sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the earth’s atmosphere is Nitrogen Oxygen Argon Krypton Nitrogen Oxygen Argon Krypton ANSWER DOWNLOAD EXAMIANS APP
Chemistry If there is one million Mg2+ ions in MgCl2, how many chloride ions are there? Two million Ten million Half a million One million Two million Ten million Half a million One million ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Latin word formica means ant. The name formic acid is derived from this Latin word because this acid was first obtained by the distillation of ants ants are attracted by the odour of this acid this corrosive acid is secreted by ants to drive away their enemies this acid, in ancient times, was used to eliminate ant-hills this acid was first obtained by the distillation of ants ants are attracted by the odour of this acid this corrosive acid is secreted by ants to drive away their enemies this acid, in ancient times, was used to eliminate ant-hills ANSWER DOWNLOAD EXAMIANS APP
Chemistry Name two elements that find wide application in transistor industry Silicon and Germanium Iridium and Germanium Carbon and Platinum Tungsten and Platinum Silicon and Germanium Iridium and Germanium Carbon and Platinum Tungsten and Platinum ANSWER DOWNLOAD EXAMIANS APP
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