General Science The main constituents of pearls are Aragonite and Conchiolin Calcium Oxide and Ammonium Chloride Calcium Carbonate and Magnesium Carbonate Ammonium Sulphate and Sodium Carbonate Aragonite and Conchiolin Calcium Oxide and Ammonium Chloride Calcium Carbonate and Magnesium Carbonate Ammonium Sulphate and Sodium Carbonate ANSWER DOWNLOAD EXAMIANS APP
General Science Brass gets discoloured in air because of the presence of which of the following gases in air? Oxygen Hydrogen Sulphide Nitrogen None of the listed here Oxygen Hydrogen Sulphide Nitrogen None of the listed here ANSWER DOWNLOAD EXAMIANS APP
General Science Which of the following is used as a moderator in nuclear reactor? Graphite Ordinary water Radium Thorium Graphite Ordinary water Radium Thorium ANSWER DOWNLOAD EXAMIANS APP
General Science The two elements that are frequently used for making transistors are Niobium and Columbium Boron and Aluminium Iridium and Tungsten Silicon and Germanium Niobium and Columbium Boron and Aluminium Iridium and Tungsten Silicon and Germanium ANSWER DOWNLOAD EXAMIANS APP
General Science Carbon, diamond and graphite are together called Isomorphs Isomers Isotopes Allotrope Isomorphs Isomers Isotopes Allotrope ANSWER DOWNLOAD EXAMIANS APP
General Science The type of glass used in making lenses and prisms is Pyrex glass Flint glass Soft glass Jena glass Pyrex glass Flint glass Soft glass Jena glass ANSWER DOWNLOAD EXAMIANS APP
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