General Science Heavy water is Rain water Tritium oxide PH7 Deuterium oxide Rain water Tritium oxide PH7 Deuterium oxide ANSWER DOWNLOAD EXAMIANS APP
General Science Permanent hardness of water may be removed by the addition of Sodium Carbonate Potassium Permanganate Lime Alum Sodium Carbonate Potassium Permanganate Lime Alum ANSWER DOWNLOAD EXAMIANS APP
General Science Balloons are filled with Argon Helium Nitrogen Oxygen Argon Helium Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
General Science Which layer protects earth from harmful rays of the Sun? Ionosphere Ozone layer Magnetosphere Troposphere Ionosphere Ozone layer Magnetosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
General Science Chemical formula for water is H2O NaA1O2 None of the listed here CaSiO3 H2O NaA1O2 None of the listed here CaSiO3 ANSWER DOWNLOAD EXAMIANS APP
General Science Deep blue colour is imparted to glass by the presence of Cupric oxide Cobalt oxide Nickel oxide Iron oxide Cupric oxide Cobalt oxide Nickel oxide Iron oxide ANSWER DOWNLOAD EXAMIANS APP
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