Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Lead Chromium Copper Cadmium Lead Chromium Copper Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is not a green house gas ? CH4 Chlorofluorocarbons N2O CO2 CH4 Chlorofluorocarbons N2O CO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Wax used for making candle is chemically a mixture of Aliphatic hydrocarbons Cyclic hydrocarbons Aromatic hydrocarbons Aliphatic and aromatic hydrocarbons Aliphatic hydrocarbons Cyclic hydrocarbons Aromatic hydrocarbons Aliphatic and aromatic hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is most toxic ? Sulphur dioxide Carbon monoxide Carbon dioxide Chlorine Sulphur dioxide Carbon monoxide Carbon dioxide Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium is added to the oxygen supply of deep sea divers because it is Less soluble in blood than nitrogen at high pressure Lighter than nitrogen Readily miscible with oxygen Less poisonous than nitrogen Less soluble in blood than nitrogen at high pressure Lighter than nitrogen Readily miscible with oxygen Less poisonous than nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical formula of washing soda is NaHCO3 Ca(OH)2 Na2CO3.10H2O Na2SO4.10H2O NaHCO3 Ca(OH)2 Na2CO3.10H2O Na2SO4.10H2O ANSWER DOWNLOAD EXAMIANS APP
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