Chemistry Philosopher’s Wool is Zinc carbonate Zinc sulphate Zinc oxide Zinc blende Zinc carbonate Zinc sulphate Zinc oxide Zinc blende ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lustre of the metals is because of High polish Reflection of light due to the presence of free electrons High density, due to closed packing of atoms Absorption of light due to the presence of cavities High polish Reflection of light due to the presence of free electrons High density, due to closed packing of atoms Absorption of light due to the presence of cavities ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical formula of the laughing gas is N2O NO2 NO N2O3 N2O NO2 NO N2O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ferrous sulphate is used in water treatment as a/an Adsorbent Coagulant aid Oxidizing agent Reducing agent Adsorbent Coagulant aid Oxidizing agent Reducing agent ANSWER DOWNLOAD EXAMIANS APP
Chemistry A thick paste of cement, sand and water is called R.C.C. Concrete Mortar Kiln R.C.C. Concrete Mortar Kiln ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of air is oxygen hydrogen nitrogen carbon dioxide oxygen hydrogen nitrogen carbon dioxide ANSWER DOWNLOAD EXAMIANS APP