voltametry + nuclear quiz batch 7Best of luck 1 / 28 Which of the following is NOT a common supporting electrolyte in voltammetry KCl NaNO3 H2SO4 C2H5OH 2 / 28What does a large peak separation in cyclic voltammetry indicate Slow electron transfer kinetics Fast electron transfer kinetics Reversible reaction No reaction 3 / 28Which of the following is NOT a factor affecting voltammetric response? Electrode material Scan rate Solution pH Magnetic field 4 / 28What is the Nernst equation used for in voltammetry? Relating potential to concentration Calculating current Measuring pH Determining scan rate 5 / 28What is the role of the counter electrode in voltammetry To measure current To provide a reference potential To complete the circuit To control pH 6 / 28 Which of the following is a limitation of voltammetry Requires high sample volume Limited to conductive solutions Cannot detect trace metals Only works for organic compounds 7 / 28What is the purpose of a reference electrode in voltammetry? To provide a stable potential for measurement To generate current To act as the counter electrode To measure pH 8 / 28Which of the following is NOT a type of voltammetry? Linear sweep voltammetry Differential pulse voltammetry Atomic absorption voltammetry Square wave voltammetry 9 / 28What does the peak current in cyclic voltammetry depend on Scan rate Temperature pH All 10 / 28Which electrode is used as the working electrode in voltammetry Platinum electrode Glass electrode Calomel electrode Saturated Ag/AgCl electrode 11 / 28 What is voltammetry A technique to measure current as a function of applied potential A method to measure pH of a solution A type of chromatography A spectroscopic technique 12 / 28The energy released in nuclear reactions comes from Breaking chemical bonds Mass converted to energy (E=mc²) Electron transitions Friction 13 / 28 Which of the following is used in smoke detectors Uranium-235 Cobalt-60 Cobalt-60 Americium-241 14 / 28Which nuclear reaction is used in atomic bombs Nuclear fission Nuclear fusion Radioactive decay alpha decay 15 / 28 The unit of radioactivity is Joule Curie Newton Watt 16 / 28What is the charge of a beta particle +1 0 -1 -2 17 / 28Which of the following is a moderator in nuclear reactors Heavy water (D₂O) U-238 lead cadmium 18 / 28Which type of radiation is deflected towards the negative plate in an electric fieldal alpha beta gamma neutron 19 / 28Which of the following is used as a control rod material in nuclear reactors Uranium Plutonium Cadmium Thorium 20 / 28 Which particle has the least ionizing power? alpha beta gamma neutron 21 / 28What is the main source of energy in the Sun? Nuclear fission Nuclear fusion Chemical reactions Radioactive decay 22 / 28Which isotope is commonly used in carbon dating? C-11 C-12 C-14 C-13 23 / 28In nuclear fission, a heavy nucleus splits into smaller nuclei along with the release of electron Neutrons and energy proton Only gamma rays 24 / 28The half-life of a radioactive isotope is the time required for: All nuclei to decay Half of the nuclei to decay The radiation to reduce by half The nucleus to split into two 25 / 28What happens to the atomic number (Z) of a nucleus when it emits a beta particle (β⁻)? Decreases by 1 Increases by 1 remains same Decreases by 2 26 / 28An alpha particle is identical to A proton A helium nucleus (He²⁺) An electron A neutron 27 / 28Which type of radiation has the highest penetrating power alpha beta gamma neutron 28 / 28 What is the process by which an unstable nucleus emits radiation Oxidation Nuclear fission Radioactive decay Nuclear fusion Your score isThe average score is 79% 0% Restart quiz
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