General Science The main constituents of pearls are 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 Calcium Carbonate and Magnesium Carbonate Calcium Oxide and Ammonium Chloride ANSWER DOWNLOAD EXAMIANS APP
General Science Nautical mile is a unit of distance used in: Road mile Measuring the boundaries of a nation Astronomy Navigation Road mile Measuring the boundaries of a nation Astronomy Navigation ANSWER DOWNLOAD EXAMIANS APP
General Science In which of the following activities silicon carbide is used? Making casts for statues Cutting very hard substances Making cement and glass Disinfecting water of ponds Making casts for statues Cutting very hard substances Making cement and glass Disinfecting water of ponds ANSWER DOWNLOAD EXAMIANS APP
General Science Which layer protects earth from harmful rays of the Sun? Ionosphere Troposphere Magnetosphere Ozone layer Ionosphere Troposphere Magnetosphere Ozone layer ANSWER DOWNLOAD EXAMIANS APP
General Science Chemical formula for water is H2O CaSiO3 None of the listed here NaA1O2 H2O CaSiO3 None of the listed here NaA1O2 ANSWER DOWNLOAD EXAMIANS APP
General Science Which of the following is used for removing air bubbles from glass during its manufacture? Soda ash Feldspar Potassium carbonate Arsenous oxide Soda ash Feldspar Potassium carbonate Arsenous oxide ANSWER DOWNLOAD EXAMIANS APP
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