Chemistry All isotopes of the same element have ________ The same atomic number and the atomic mass The same atomic number but different atomic masses Different atomic numbers and different atomic mass Different atomic numbers and the same atomic mass The same atomic number and the atomic mass The same atomic number but different atomic masses Different atomic numbers and different atomic mass Different atomic numbers and the same atomic mass ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a precious/semi-precious stone? Emerald Pearl Ruby Sapphire Emerald Pearl Ruby Sapphire ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aquaregia is a mixture of the following in the ratio 1 : 3 by volume Conc. HNO3 and conc. H2SO4 Conc. HNO3 and conc. HCl Dil. HCl and dil. HNO3 Conc. HCl and conc. HNO3 Conc. HNO3 and conc. H2SO4 Conc. HNO3 and conc. HCl Dil. HCl and dil. HNO3 Conc. HCl and conc. HNO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical bahaviour of an atom depends upon The number of protons in its nucleus The number of neutrons in the nucleus The number of electrons orbiting around the nucleus The number of nucleons in the nucleus The number of protons in its nucleus The number of neutrons in the nucleus The number of electrons orbiting around the nucleus The number of nucleons in the nucleus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals form an amalgam with other metals ? Lead Zinc Tin Mercury Lead Zinc Tin Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element required for solar energy conversion ? Ultra pure carbon Tantalum Beryllium Silicon Ultra pure carbon Tantalum Beryllium Silicon ANSWER DOWNLOAD EXAMIANS APP
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