Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Lead Copper Cadmium Chromium Lead Copper Cadmium Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a mixture of potassium nitrate, powdered charcoal and sulphur called? Cement Paint Glass Gun powder Cement Paint Glass Gun powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry Philosopher’s Wool is Zinc oxide Zinc sulphate Zinc carbonate Zinc blende Zinc oxide Zinc sulphate Zinc carbonate Zinc blende ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead pencil contains Lead Ferrous sulphide Lead sulphide Graphite Lead Ferrous sulphide Lead sulphide Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major component in the LPG is Methane Ethane Propane Butane Methane Ethane Propane Butane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver nitrate solution is kept in brown bottles in laboratory because Brown bottles do not react with it It reacts with ordinary white bottles Brown bottles react with it Brown bottles stops the passage of light through it Brown bottles do not react with it It reacts with ordinary white bottles Brown bottles react with it Brown bottles stops the passage of light through it ANSWER DOWNLOAD EXAMIANS APP
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