Chemistry Which one is the naturally occuring heaviest element Mercury Protactinium Thorium Uranium Mercury Protactinium Thorium Uranium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical formula of washing soda is Ca(OH)2 NaHCO3 Na2SO4.10H2O Na2CO3.10H2O Ca(OH)2 NaHCO3 Na2SO4.10H2O Na2CO3.10H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical bahaviour of an atom depends upon The number of protons in its nucleus The number of nucleons in the nucleus The number of electrons orbiting around the nucleus The number of neutrons in the nucleus The number of protons in its nucleus The number of nucleons in the nucleus The number of electrons orbiting around the nucleus The number of neutrons in the nucleus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2 C and d A and c A and b B and c C and d A and c A and b B and c ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a lubricant in heavy machines? Graphite Phosphorus Bauxite Sulphur Graphite Phosphorus Bauxite Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is most stable at room temperature O2 F2 N2 H2 O2 F2 N2 H2 ANSWER DOWNLOAD EXAMIANS APP
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