Chemistry The hottest part of the gas flame is known as non-luminous zone luminous zone blue zone dark zone non-luminous zone luminous zone blue zone dark zone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most poisonous pollutant in water is Phosphate Detergent Zinc Arsenic Phosphate Detergent Zinc Arsenic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is most toxic ? Carbon monoxide Chlorine Sulphur dioxide Carbon dioxide Carbon monoxide Chlorine Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases will effuse out of football bladder most quickly ? N 2 He O2 H2 N 2 He O2 H2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which mineral is the ore of aluminium ? Magnetite Bauxite Siderite Haematite Magnetite Bauxite Siderite Haematite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a chemical reaction'? Burning of coal Conversion of water into steam Burning of paper Digestion of food Burning of coal Conversion of water into steam Burning of paper Digestion of food ANSWER DOWNLOAD EXAMIANS APP