Chemistry Which of the following is used as non-stick coating for cooking utensils? Polystyrene Styrofoam Perspex Teflon Polystyrene Styrofoam Perspex Teflon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used to extinguish fire is Nitrogen Neon Carbon dioxide Carbon monoxide Nitrogen Neon Carbon dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highly toxic gas which causes headache, visual difficulty, paralysis and even death is O3 CO2 All of these CO O3 CO2 All of these CO ANSWER DOWNLOAD EXAMIANS APP
Chemistry The high reactivity of fluorine is due to availability of d-orbitals its high electro negativity small size of fluorine atom strong F - F bond availability of d-orbitals its high electro negativity small size of fluorine atom strong F - F bond ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following substance is highly plastic ? Clay Quartz Mica Granite Clay Quartz Mica Granite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to increase the anti-knocking property of petrol ? Tetraethyl lead Triethyl lead Tetramethyl lead Trimethyl lead Tetraethyl lead Triethyl lead Tetramethyl lead Trimethyl lead ANSWER DOWNLOAD EXAMIANS APP