General Science Quartz crystals normally used in quartz clocks etc. is chemically Germanium Oxide Sodium Silicate Silicon Dioxide A mixture of Germanium Oxide and Silicon dioxide Germanium Oxide Sodium Silicate Silicon Dioxide A mixture of Germanium Oxide and Silicon dioxide ANSWER DOWNLOAD EXAMIANS APP
General Science Atoms are composed of: Electrons and Nuclei Electrons and protons Protons only Electrons only Electrons and Nuclei Electrons and protons Protons only Electrons only ANSWER DOWNLOAD EXAMIANS APP
General Science When an iron nail gets rusted, iron oxide is formed Without any change in the weight of the nail With increase in the weight of the nail Without any change in colour or weight of the nail With decrease in the weight of the nail Without any change in the weight of the nail With increase in the weight of the nail Without any change in colour or weight of the nail With decrease in the weight of the nail ANSWER DOWNLOAD EXAMIANS APP
General Science 'No two electrons in an atom can have the same set of four quantum numbers' is Pauli's exclusion principle Aufbau principle Newton's law Bohr's law Pauli's exclusion principle Aufbau principle Newton's law Bohr's law ANSWER DOWNLOAD EXAMIANS APP
General Science The most important ore of aluminum is Galena Calcite Calamine Bauxite Galena Calcite Calamine Bauxite ANSWER DOWNLOAD EXAMIANS APP
General Science What are the soaps? Mixture of glycerol and alcohols Sodium or potassium salts of heavier fatty acids Salts of silicates Esters of heavy fatty acids Mixture of glycerol and alcohols Sodium or potassium salts of heavier fatty acids Salts of silicates Esters of heavy fatty acids ANSWER DOWNLOAD EXAMIANS APP
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