General Science Quartz crystals normally used in quartz clocks etc. is chemically Sodium Silicate A mixture of Germanium Oxide and Silicon dioxide Germanium Oxide Silicon Dioxide Sodium Silicate A mixture of Germanium Oxide and Silicon dioxide Germanium Oxide Silicon Dioxide ANSWER DOWNLOAD EXAMIANS APP
General Science Permanent hardness of water may be removed by the addition of Lime Alum Sodium Carbonate Potassium Permanganate Lime Alum Sodium Carbonate Potassium Permanganate ANSWER DOWNLOAD EXAMIANS APP
General Science Which layer protects earth from harmful rays of the Sun? Troposphere Ozone layer Magnetosphere Ionosphere Troposphere Ozone layer Magnetosphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
General Science Which radioactive pollutant has recently drawn to public, due to its occurrence in the building material? Radium Thorium Radan Plutonium Radium Thorium Radan Plutonium ANSWER DOWNLOAD EXAMIANS APP
General Science Soda water contains Carbonic acid Carbon dioxide Sulphuric acid Nitrous acid Carbonic acid Carbon dioxide Sulphuric acid Nitrous acid ANSWER DOWNLOAD EXAMIANS APP
General Science Chemical formula for water is NaA1O2 None of the listed here CaSiO3 H2O NaA1O2 None of the listed here CaSiO3 H2O ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS