Chemistry Sulphur dioxide bleaches colouring matter by : Oxidation Decomposition Reduction Dehydration Oxidation Decomposition Reduction Dehydration ANSWER DOWNLOAD EXAMIANS APP
Chemistry All isotopes of the same element have ________ The same atomic number but different atomic masses Different atomic numbers and the same atomic mass The same atomic number and the atomic mass Different atomic numbers and different atomic mass The same atomic number but different atomic masses Different atomic numbers and the same atomic mass The same atomic number and the atomic mass Different atomic numbers and different atomic mass ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mark the compound which possess ionic, covalent and coordinate bonds. SO2 SO3 H2O NH4Cl SO2 SO3 H2O NH4Cl ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is obtained from sea weeds ? Sulphur Iodine Vanadium Argon Sulphur Iodine Vanadium Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry A subshell with l=2 can take up 5 electron 3 electron 10 electron 8 electron 5 electron 3 electron 10 electron 8 electron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metals commonly used for electroplating are Chromium, Copper and Nickel Nickel, Lead and Chromium Gold, Sodium and Chromium Gold, Sodium and Potassium Chromium, Copper and Nickel Nickel, Lead and Chromium Gold, Sodium and Chromium Gold, Sodium and Potassium ANSWER DOWNLOAD EXAMIANS APP
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