Chemistry Chemical formula of washing soda is NaHCO3 Ca(OH)2 Na2SO4.10H2O Na2CO3.10H2O NaHCO3 Ca(OH)2 Na2SO4.10H2O Na2CO3.10H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used in the manufacture of safety matches is Sulphur Magnesium Phosphorous Silicon Sulphur Magnesium Phosphorous Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives Copper at anode and oxygen at cathode. Copper at cathode and anodes dissolve to give copper Hydrogen at cathode and oxygen at anode Copper at cathode and oxygen at anode Copper at anode and oxygen at cathode. Copper at cathode and anodes dissolve to give copper Hydrogen at cathode and oxygen at anode Copper at cathode and oxygen at anode ANSWER DOWNLOAD EXAMIANS APP
Chemistry The tip of the match-stick contains Phosphorus pentoxide Phosphorus trichloride Red phosphorus White phosphorus Phosphorus pentoxide Phosphorus trichloride Red phosphorus White phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is a Element Homogeneous mixture Heterogeneous mixture Compound Element Homogeneous mixture Heterogeneous mixture Compound ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vulcanization of rubber is carried out by adding Sulphur Ozone Carbon Phosphorus Sulphur Ozone Carbon Phosphorus ANSWER DOWNLOAD EXAMIANS APP
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