Chemistry Liquid Nitrogen boils at 82 Kelvin 77 kelvin 97 Kelvin 54 kelvin 82 Kelvin 77 kelvin 97 Kelvin 54 kelvin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is obtained from sea weeds ? Vanadium Sulphur Argon Iodine Vanadium Sulphur Argon Iodine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The inexpensive and commonly used variety of glass is called soda glass. is made using soda lime was used initially for making bottles of soda(carbonated drink) was initially used for storing sodium carbonate is made using soda(sodium carbonate) is made using soda lime was used initially for making bottles of soda(carbonated drink) was initially used for storing sodium carbonate is made using soda(sodium carbonate) ANSWER DOWNLOAD EXAMIANS APP
Chemistry The iron ore which contains 72% of iron is : Haematite Siderite Magnetite Limonite Haematite Siderite Magnetite Limonite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid rain destroys vegetations because it contains Sulphuric acid Carbon monoxide Nitric acid Ozone Sulphuric acid Carbon monoxide Nitric acid Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as non-stick coating for cooking utensils? Polystyrene Perspex Teflon Styrofoam Polystyrene Perspex Teflon Styrofoam ANSWER DOWNLOAD EXAMIANS APP