General Science Quartz crystals normally used in quartz clocks etc. is chemically Silicon Dioxide Germanium Oxide Sodium Silicate A mixture of Germanium Oxide and Silicon dioxide Silicon Dioxide Germanium Oxide Sodium Silicate A mixture of Germanium Oxide and Silicon dioxide ANSWER DOWNLOAD EXAMIANS APP
General Science Atoms are composed of: Protons only Electrons and Nuclei Electrons only Electrons and protons Protons only Electrons and Nuclei Electrons only Electrons and protons ANSWER DOWNLOAD EXAMIANS APP
General Science The gases used in different types of welding would include Oxygen and Acetylene Oxygen and Hydrogen Oxygen, Acetylene and Argon Oxygen, Hydrogen, Acetylene and Nitrogen Oxygen and Acetylene Oxygen and Hydrogen Oxygen, Acetylene and Argon Oxygen, Hydrogen, Acetylene and Nitrogen ANSWER DOWNLOAD EXAMIANS APP
General Science Which of the following has a least penetrating power? Gamma rays Beta Particles Alpha particles All have same penetrating power Gamma rays Beta Particles Alpha particles All have same penetrating power ANSWER DOWNLOAD EXAMIANS APP
General Science In an atomic nucleus, neutrons and protons are held together by: Exchange forces Coulombic forces Gravitational forces Magnetic forces Exchange forces Coulombic forces Gravitational forces Magnetic forces ANSWER DOWNLOAD EXAMIANS APP
General Science The main constituents of pearls are Ammonium Sulphate and Sodium Carbonate Calcium Oxide and Ammonium Chloride Aragonite and Conchiolin Calcium Carbonate and Magnesium Carbonate Ammonium Sulphate and Sodium Carbonate Calcium Oxide and Ammonium Chloride Aragonite and Conchiolin Calcium Carbonate and Magnesium Carbonate ANSWER DOWNLOAD EXAMIANS APP
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