Chemistry Which of the following is not a method of preparing oxygen? Decomposition of potassium permanganate Decomposition of manganese dioxide Electrolysis of water Fractional distillation of liquid air Decomposition of potassium permanganate Decomposition of manganese dioxide Electrolysis of water Fractional distillation of liquid air ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most commonly used chemicals in the artificial rainmaking or cloud seeding are Dry Ice (Frozen CO2) All of these Silver Iodide (Ag I) Sodium Chloride (NaCl) Dry Ice (Frozen CO2) All of these Silver Iodide (Ag I) Sodium Chloride (NaCl) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Quartz is made of Calcium Sulphate Calcium Silicate Sodium Silicate Sodium Sulphate Calcium Sulphate Calcium Silicate Sodium Silicate Sodium Sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used in the artificial ripening of fruits is Ethane Butane Methane Acetylene Ethane Butane Methane Acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which acid is used in Lead storage battery? Hydrochloric acid Acetic acid Sulphuric acid Nitric acid Hydrochloric acid Acetic acid Sulphuric acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The strongest acid of the following is M-nitrophenol O-nitrophenol P-nitrophenol P-chlorophenol M-nitrophenol O-nitrophenol P-nitrophenol P-chlorophenol ANSWER DOWNLOAD EXAMIANS APP