Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 4 –3 to + 6 –3 to + 5 –3 to + 3 –3 to + 4 –3 to + 6 –3 to + 5 –3 to + 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The natural source of hydro-carbon is Coal Biomass Carbohydrates Crude oil Coal Biomass Carbohydrates Crude oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry An alloy used in making heating elements for electric heating device is German Silver Nichrome Solder Alloy Steel German Silver Nichrome Solder Alloy Steel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical that is used to ripen mangoes is Calcium sulphide Calcium chloride Calcium carbide Calcium carbonate Calcium sulphide Calcium chloride Calcium carbide Calcium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hydrogen is not found in atmosphere because It immediately combines with oxygen to form water It is absorbed by plants It is highly inflammable It is the lightest gas It immediately combines with oxygen to form water It is absorbed by plants It is highly inflammable It is the lightest gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has least negative electron gain enthalpy Cl P S F Cl P S F ANSWER DOWNLOAD EXAMIANS APP
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