Chemistry Element 106 was discovered by Rutherford Seaborg Kurchatove Lawrence Rutherford Seaborg Kurchatove Lawrence ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper is refined by Oxidation Zone refining Roasting Electrolysis Oxidation Zone refining Roasting Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Calcium Manganese Magnesium None of these Calcium Manganese Magnesium None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Extensively used nitrogenous fertilizer is Nitro-lime Urea Ammonium nitrate Ammonium sulphate Nitro-lime Urea Ammonium nitrate Ammonium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Warming Ammonium chloride with sodium hydrochloride in a test tube is an example of Isothermal system Isobaric system Closed system Open system Isothermal system Isobaric system Closed system Open system ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a period from Li to F, ionisation potential Cannot be predicted Increases Remains same Decreases Cannot be predicted Increases Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP