General Science The main constituents of pearls are Ammonium Sulphate and Sodium Carbonate 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 ANSWER DOWNLOAD EXAMIANS APP
General Science Which metal pollute the air of a big city? Lead Chromium Copper Cadmium Lead Chromium Copper Cadmium ANSWER DOWNLOAD EXAMIANS APP
General Science In vulcanisation, natural rubber is heated with Carbon Silicon Sulphur Phosphorous Carbon Silicon Sulphur Phosphorous ANSWER DOWNLOAD EXAMIANS APP
General Science Which of the following is a protein? None of these Natural rubber Starch Cellulose None of these Natural rubber Starch Cellulose ANSWER DOWNLOAD EXAMIANS APP
General Science Atoms are composed of: Electrons and protons Electrons only Electrons and Nuclei Protons only Electrons and protons Electrons only Electrons and Nuclei Protons only ANSWER DOWNLOAD EXAMIANS APP
General Science How many colours the sunlight spectrum has? Four Five Seven Three Four Five Seven Three ANSWER DOWNLOAD EXAMIANS APP
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