General Science The main constituents of pearls are Calcium Carbonate and Magnesium Carbonate Calcium Oxide and Ammonium Chloride Aragonite and Conchiolin Ammonium Sulphate and Sodium Carbonate Calcium Carbonate and Magnesium Carbonate Calcium Oxide and Ammonium Chloride Aragonite and Conchiolin Ammonium Sulphate and Sodium Carbonate ANSWER DOWNLOAD EXAMIANS APP
General Science Chlorophyll is a naturally occurring chelate compound in which central metal is Magnesium Calcium Iron Copper Magnesium Calcium Iron Copper ANSWER DOWNLOAD EXAMIANS APP
General Science The tree sends down roots from its branches to the soil is know as Oak Banyan Palm Pine Oak Banyan Palm Pine ANSWER DOWNLOAD EXAMIANS APP
General Science Carbon, diamond and graphite are together called Isomorphs Isomers Allotrope Isotopes Isomorphs Isomers Allotrope Isotopes ANSWER DOWNLOAD EXAMIANS APP
General Science The variety of coal in which the deposit contains recognizable traces of the original plant material is Lignite Bitumen Anthracite Peat Lignite Bitumen Anthracite Peat ANSWER DOWNLOAD EXAMIANS APP
General Science Which of the following is not an isotope of hydrogen? Protium None of the listed here Deuterium Yttrium Protium None of the listed here Deuterium Yttrium ANSWER DOWNLOAD EXAMIANS APP
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