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Etching Process MCQs

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1. The process in which certain chemicals eat up or corrode away certain materials like glass, metals etc is called





2. It is the process of engraving a design on metallic plates or glass etc with the help of acids or other corrosive chemicals





3. It is the process in which a design or drawing on the surface of the metal is produced with certain chemicals





4. Is a convenient method for the production of various circuits and chips in electronics technology





5. Is used to engrave a design or drawing on smooth metallic or glass plates




6. The etching process consists of steps





7. A uniform layer of ground forming substance or resist used in etching process is



8. _____ is used to sketch a design on the etching plate





9. In etching process only the open surface is corroded while the resist surface is not damaged





10. _____ is used to remove resist from the etched plate





11. Etching reagent is used for the etching process





12. Number of NO₂ groups present in picric acid is





13. _____ is used for the etching of steel





14. Hard substances like stainless steel etc can be etched with the help of





15. The mixture of chromium oxide and sodium sulphate is commonly called





16. _____ is used for the etching of glass





17. The type of etching that has resist made up of varnish is called





18. _____ is also called anode etching or electro-typing





19. The comparative study of metals can be carried out with the help of





20. The preparation of base or basic plate is the most important step in





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