Chemistry The major constituent of air is oxygen hydrogen carbon dioxide nitrogen oxygen hydrogen carbon dioxide nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to iodise common salt ? Potassium iodate Potassium iodide Sodium iodide Iodine Potassium iodate Potassium iodide Sodium iodide Iodine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed the model of atomic structure ? Alfred Nobel Bohr and Rutherford Volta Faraday Alfred Nobel Bohr and Rutherford Volta Faraday ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver halides are used in photographic plates because they are Soluble in hyposolution Totally colourless Oxidised in air Reduced by light Soluble in hyposolution Totally colourless Oxidised in air Reduced by light ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases will effuse out of football bladder most quickly ? He O2 N 2 H2 He O2 N 2 H2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The temperature of oxy-acetylene flame is around 2800°C 3200°C 3600°C 4000°C 2800°C 3200°C 3600°C 4000°C ANSWER DOWNLOAD EXAMIANS APP