Chemistry Which of the following elements is found in all organic compounds Nitrogen Carbon Oxygen Calcium Nitrogen Carbon Oxygen Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ferrous sulphate is used in water treatment as a/an Coagulant aid Adsorbent Reducing agent Oxidizing agent Coagulant aid Adsorbent Reducing agent Oxidizing agent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is harder than graphite because of : Tetrahedral structure of diamond None of these Difference in layers of atoms Difference of crystalline structures Tetrahedral structure of diamond None of these Difference in layers of atoms Difference of crystalline structures ANSWER DOWNLOAD EXAMIANS APP
Chemistry In an oxygen molecule, two atoms are united by Two bonds One bond Four bonds Three bonds Two bonds One bond Four bonds Three bonds ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver gets corroded due to ________ in air. Oxygen Nitrogen Hydrogen Sulphide Carbon dioxide Oxygen Nitrogen Hydrogen Sulphide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry When cathode rays strike a target of high atomic weight, they give rise to ? and ? rays Positive rays ?-rays X-rays ? and ? rays Positive rays ?-rays X-rays ANSWER DOWNLOAD EXAMIANS APP
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