Electroplating mcq
WebNickel plating MCQ with Answers. 1) What is pickling process? Buffing. Cleaning. Polishing. Roughening. Answer Explanation. Answer is: Cleaning. Explanation: . 2) Which acid is … Webc) Electro less plating d) Electroplating. View Answer. Answer: b Explanation: Electroplating coats a thin layer of metal over the other metals but does not modify its …
Electroplating mcq
Did you know?
WebMar 10, 2024 · Students are advised to practice the NCERT MCQ Questions for Class 8 Science Chapter 14 Chemical Effects of Electric Current with Answers Pdf free download is available here. MCQ Questions for Class 8 Science with ... During electroplating in CuSO 4 (copper sulphate) solution copper from CuSO4 solution will … WebMar 10, 2024 · Electroplating: Electroplating is defined as the deposition of metal over any metallic or non-metallic surfaces. Electroplating is usually employed 1. To protect …
WebNon - uniform deposit on an article of irregular shape. Answer Explanation. 6) The energy required for refining of gold in kWh / tone is about. a. 100 to 150. b. 250 to 350. c. 300 to … WebFeb 9, 2024 · Use of Electroplating. It is used in coating metal with different metals so as to improve its properties. Example: Chromium plating is generally done on taps etc because it resists corrosion and scratches etc. Jewellery makers electroplate silver and gold with less expensive metals. Tin cans used for storing are electroplated with tin on iron.
WebThe plating tanks typically are equipped with some type of heat exchanger. Mechanical agitators or compressed air supplied through pipes on the tank bottom provide uniformity of bath temperature and composition. Chromium electroplating requires constant control of the plating bath temperature, current density, plating time, and bath composition. WebMar 10, 2024 · Students are advised to practice the NCERT MCQ Questions for Class 8 Science Chapter 14 Chemical Effects of Electric Current with Answers Pdf free download …
WebApr 3, 2024 · Electroplating is the process of depositing a layer of any desired metal on another material using electricity. 11. Write one use of electroplating. ... It includes MCQ types of questions, experiment-based questions, short and long answer questions, along with class 8 science chapter 14 extra questions. Many students have been benefited from ...
WebAug 23, 2024 · In an electroplating experiment a steel cathode and a Solution of nickel sulphate electrolyte is used. What type of anode was most likely used? C. Cu. Fe. Ni. Correct! Wrong! ... Mole Concept and Stoichiometry MCQs ICSE Class 10th Chemistry 6 – Metallurgy MCQs. css3pxWebOct 6, 2024 · Faraday's laws of electrolysis are related to the. Atomic number of cation. Atomic number of anion. Equivalent weight of the electrolyte. Speed of the cation. Q3. … css3psWebElectrolysis. Electroplating. Electrolysis refers to the breaking apart of a molecule by the means of the electrochemical reaction. Electroplating refers to the passage of current … css3 pseudo class angularjs click eventWebOct 3, 2024 · Answer. 19. Jewellery makers electroplate silver and gold on expensive metals. Answer. 20. Electroplating wastes are useful to human health and environment. … css3 pptWeb(Definition) ELECTROPLATING A process of coating a thin layer of some expensive metal (gold, silver etc) on an article of some cheap metal is called electroplating. MCQs Related to the Article “ 13.3 EFFECTS OF CURRENT ” 1. The heating effect of current utilized in (a) Iron (b) Tube light (c) Fan (d) Motor earbud bluetooth earpieceWebNext ». This set of Engineering Chemistry Multiple Choice Questions & Answers (MCQs) focuses on “Applications of Electroplating”. 1. What is the main principle of … ear bud batteryWebJun 15, 2024 · Answer. (a) The ions of the silver must be present in the electrolyte. (b) Anode should be made of pure clean silver. (c) The cathode is made of copper wire. (d) The equation for the reaction which takes place at the cathode is. 25. Define or … earbud bluetooth headphones verge