Chemistry Philosopher’s Wool is Zinc oxide Zinc blende Zinc sulphate Zinc carbonate Zinc oxide Zinc blende Zinc sulphate Zinc carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 3 –3 to + 6 –3 to + 5 –3 to + 4 –3 to + 3 –3 to + 6 –3 to + 5 –3 to + 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical properties of isotopes Must be different Must be same Need not be different Need not be same Must be different Must be same Need not be different Need not be same ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'Plaster of Paris' commonly used for setting broken bones is Calcium carbonate Calcium sulphate Calcium chloride Calcium nitrate Calcium carbonate Calcium sulphate Calcium chloride Calcium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Two electrons in an orbital are differentiated by which of the following ? Azimuthal quantum number Spin quantum number Magnetic quantum number Principal quantum number Azimuthal quantum number Spin quantum number Magnetic quantum number Principal quantum number ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal is extracted from sea water? Beryllium Potassium Aluminium Magnesium Beryllium Potassium Aluminium Magnesium ANSWER DOWNLOAD EXAMIANS APP
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