Chemistry Trinitrotoluene is Used as an abrasive Used to melt metals Used to fuse two metals Used as an explosive Used as an abrasive Used to melt metals Used to fuse two metals Used as an explosive ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following methods is used in determining the number average molar mass of a macromolecule Viscosity Sedimentation equilibrium Osmotic pressure Light scattering Viscosity Sedimentation equilibrium Osmotic pressure Light scattering ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of a nucleus is a fraction always less than its atomic number the sum of the number of protons and neutrons present in the nucleus always more than the atomic weight a fraction always less than its atomic number the sum of the number of protons and neutrons present in the nucleus always more than the atomic weight ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following appeared to be with a significant potential for accumulation through food chains ? Parathion DDT Lindane Carbary Parathion DDT Lindane Carbary ANSWER DOWNLOAD EXAMIANS APP
Chemistry A non-electronic conductor is Copper Sulphate Gas Carbon Iron None of these Copper Sulphate Gas Carbon Iron None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide level in the atmosphere can be reduced by using Catalytic converters in industry More efficient car engines Static electricity to attract it in factory chimneys Low - sulphur fuels Catalytic converters in industry More efficient car engines Static electricity to attract it in factory chimneys Low - sulphur fuels ANSWER DOWNLOAD EXAMIANS APP