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 Rutherford’s scattering experiment proved the presence of Neutrons in atoms Atoms in all matter Electrons in atoms Nucleus in atoms Neutrons in atoms Atoms in all matter Electrons in atoms Nucleus in atoms ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following, which is always found in free-state in nature? Sodium Gold Silver Copper Sodium Gold Silver Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ? Hydrogen Nitrogen Sodium Neon Hydrogen Nitrogen Sodium Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Persons working in cement plants and lime stone quarries are prone to disease like Pneumoconiosis Asthma Silicosis Cancer Pneumoconiosis Asthma Silicosis Cancer ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is used in storage batteries? Zinc Lead Copper Tin Zinc Lead Copper Tin ANSWER DOWNLOAD EXAMIANS APP
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