Chemistry In which of the following states maximum iron ore is found ? Fe3O4 FeS2 Fe2O3 FeCO3 Fe3O4 FeS2 Fe2O3 FeCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry A powerful eye irritant present in smog is Carbon dioxide Sulphur dioxide Peroxyacetyl nitrate Nitric oxide Carbon dioxide Sulphur dioxide Peroxyacetyl nitrate Nitric oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The two metal ions that cause hardness to water are: Calcium, Magnesium Sodium, Calcium Sodium, Magnesium Sodium, Potassium Calcium, Magnesium Sodium, Calcium Sodium, Magnesium Sodium, Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of common salt is Sodium Bicarbonate Sodium Oxide Sodium Chloride Sodium Sodium Bicarbonate Sodium Oxide Sodium Chloride Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Peroxyacetyl nitrate is a Plant hormone Acidic dye Vitamin Secondary pollutant Plant hormone Acidic dye Vitamin Secondary pollutant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a natural dye ? Alizarin Phenolphthalein Aniline blue Crystal violet Alizarin Phenolphthalein Aniline blue Crystal violet ANSWER DOWNLOAD EXAMIANS APP
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