Chemistry Combustion of a candle is a/an Photochemical reaction Endothermic reaction Physical change Exothermic reaction Photochemical reaction Endothermic reaction Physical change Exothermic reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The fundamental particles present in the nucleus of an atom are Proton, neutron Electron, proton Neutron, electron Neutron, positron Proton, neutron Electron, proton Neutron, electron Neutron, positron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following organic compound is used to remove stains of iron compounds? Phthalic acid Oxalic acid Cinnamic acid Benzoic acid Phthalic acid Oxalic acid Cinnamic acid Benzoic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The value of gas constant R in Ergs deg–1 mole–1 is 8.413 × 107 8.314 × 107 8.341 × 107 4.183 × 107 8.413 × 107 8.314 × 107 8.341 × 107 4.183 × 107 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of ozone layer is due to Ethane Chloro fluoro carbon Sulphur dioxide Carbon dioxide Ethane Chloro fluoro carbon Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry If there is one million Mg2+ ions in MgCl2, how many chloride ions are there? Ten million Two million Half a million One million Ten million Two million Half a million One million ANSWER DOWNLOAD EXAMIANS APP
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