Chemistry Which of the following metals can displace copper from copper sulphate solution ? Platinum Gold Iron Mercury Platinum Gold Iron Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver nitrate solution is kept in brown bottles in laboratory because Brown bottles do not react with it Brown bottles stops the passage of light through it Brown bottles react with it It reacts with ordinary white bottles Brown bottles do not react with it Brown bottles stops the passage of light through it Brown bottles react with it It reacts with ordinary white bottles ANSWER DOWNLOAD EXAMIANS APP
Chemistry Supersonic jet causes pollution by thinning of CO2 layer SO2 layer O 2 layer O3 layer CO2 layer SO2 layer O 2 layer O3 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents clean surfaces on the principle of Floatation Surface tension Elasticity Viscosity Floatation Surface tension Elasticity Viscosity ANSWER DOWNLOAD EXAMIANS APP
Chemistry Quartz is a crystalline form of Alumina Glass Silica Limestone Alumina Glass Silica Limestone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Zinc sulphide is commonly used as Fungicide Herbicide Deodorant Rodenticide Fungicide Herbicide Deodorant Rodenticide ANSWER DOWNLOAD EXAMIANS APP
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