Chemistry Which is known as carbolic acid? Oxalic acid Phenol Acetic acid Ethanol Oxalic acid Phenol Acetic acid Ethanol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The two metal ions that cause hardness to water are: Sodium, Calcium Calcium, Magnesium Sodium, Magnesium Sodium, Potassium Sodium, Calcium Calcium, Magnesium Sodium, Magnesium Sodium, Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid and ethyl alcohol Nitric acid and acetic acid Nitric acid and acetic anhydride Nitric acid in excess Nitric acid and ethyl alcohol Nitric acid and acetic acid Nitric acid and acetic anhydride Nitric acid in excess ANSWER DOWNLOAD EXAMIANS APP
Chemistry Removal of carbon particles from air involves the principle of Sedimentation Filteration Electrophoresis Precipitation Sedimentation Filteration Electrophoresis Precipitation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is harder than graphite because of : Difference of crystalline structures None of these Difference in layers of atoms Tetrahedral structure of diamond Difference of crystalline structures None of these Difference in layers of atoms Tetrahedral structure of diamond ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a period from Li to F, ionisation potential Increases Remains same Decreases Cannot be predicted Increases Remains same Decreases Cannot be predicted ANSWER DOWNLOAD EXAMIANS APP
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