General Science The hardest substance available on earth is Gold Iron None of the listed here Diamond Gold Iron None of the listed here Diamond ANSWER DOWNLOAD EXAMIANS APP
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 Which metal pollute the air of a big city? Chromium Lead Copper Cadmium Chromium Lead Copper Cadmium ANSWER DOWNLOAD EXAMIANS APP
General Science Nautical mile is a unit of distance used in: Measuring the boundaries of a nation Astronomy Navigation Road mile Measuring the boundaries of a nation Astronomy Navigation Road mile ANSWER DOWNLOAD EXAMIANS APP
General Science The main constituents of pearls are Calcium Carbonate and Magnesium Carbonate Calcium Oxide and Ammonium Chloride Ammonium Sulphate and Sodium Carbonate Aragonite and Conchiolin Calcium Carbonate and Magnesium Carbonate Calcium Oxide and Ammonium Chloride Ammonium Sulphate and Sodium Carbonate Aragonite and Conchiolin ANSWER DOWNLOAD EXAMIANS APP
General Science Newton is the unit of: Momentum Velocity Acceleration due to gravity Force Momentum Velocity Acceleration due to gravity Force ANSWER DOWNLOAD EXAMIANS APP
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