Chemistry The gas used for filling weather balloons is Air Hydrogen Helium Nitrogen Air Hydrogen Helium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ? Zero 18 6 12 Zero 18 6 12 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is an iron ore ? Bauxite Lignite Nitrite Magnetite Bauxite Lignite Nitrite Magnetite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Extensively used nitrogenous fertilizer is Urea Ammonium sulphate Nitro-lime Ammonium nitrate Urea Ammonium sulphate Nitro-lime Ammonium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heaviest naturally occurring element is: Polonium Mercury Uranium Thorium Polonium Mercury Uranium Thorium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is an example of a gel ? Face cream Shaving cream Cheese Milk Face cream Shaving cream Cheese Milk ANSWER DOWNLOAD EXAMIANS APP
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