Chemistry The scientist who experimentally proved the existance of positron is Fermi Bethe Bohr Anderson Fermi Bethe Bohr Anderson ANSWER DOWNLOAD EXAMIANS APP
Chemistry Suspension particles have the size between 10–1 – 10–2 cm 10–2 – 10–4 cm 10–5 – 10–7cm 10–8 – 10–10cm 10–1 – 10–2 cm 10–2 – 10–4 cm 10–5 – 10–7cm 10–8 – 10–10cm ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as non-stick coating for cooking utensils? Styrofoam Polystyrene Teflon Perspex Styrofoam Polystyrene Teflon Perspex ANSWER DOWNLOAD EXAMIANS APP
Chemistry Terylene is a condensation polymer of ethylene glycol and which acid? Terephthalic acid Salicylic acid Phthalic acid Benzoic Acid Terephthalic acid Salicylic acid Phthalic acid Benzoic Acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid which is secreted by the glands in the stomach wall is Sulphuric acid Hydrochloric acid Nitric acid Phosphoric acid Sulphuric acid Hydrochloric acid Nitric acid Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The minimum energy required for an effective collision is Activation energy Threshold energy Free energy Internal energy Activation energy Threshold energy Free energy Internal energy ANSWER DOWNLOAD EXAMIANS APP