This set of Chemical Industry Multiple Choice Questions & Answers (MCQs) focuses on “Zinc”. 1. Which is the third most extensively used non-ferrous metal? a) Lead b) Copper c) Zinc d) Aluminium 2. What is electro galvanizing? a) Copper plating b) Zinc plating c) Aluminium plating d) Lead plating Sanfoundry Global Education & Learning Series … Read more
This set of Chemical Industry Multiple Choice Questions & Answers (MCQs) focuses on “Lead”. 1. Lead is used as a sheathing material on cables. a) True b) False 2. Why is lead used in ceramic industry? a) To increase strength b) To increase water resistance c) To increase lustre d) To increase electrical conductivity Sanfoundry … Read more
This set of Chemical Industry Multiple Choice Questions & Answers (MCQs) focuses on “Copper”. 1. Which among the following is an ore of copper? a) Hematite b) Magnetite c) Chalcopyrite d) Siderite 2. Which method is used to extract copper from sulphide ores? a) Froth floatation b) Leaching c) Screening d) Mechanical agitation 3. What … Read more
This set of Chemical Industry Multiple Choice Questions & Answers (MCQs) focuses on “Aluminum”. 1. Which among the following is a major source of aluminium oxide? a) Hematite b) Siderite c) Magnetite d) Bauxite 2. What is the pressure maintained in the autoclave while manufacturing steel? a) 1atm b) 2atm c) 0.5atm d) 4.5atm 3. … Read more
This set of Chemical Industry Multiple Choice Questions & Answers (MCQs) focuses on “Steel”. 1. What are the raw materials needed for the manufacture of steel? a) Pig iron b) Nickel + oxygen c) Pig iron + oxygen d) Pig iron + nitrogen 2. Removal of impurities from pig iron by oxidation gives steel. a) … Read more
This set of Chemical Industry Multiple Choice Questions & Answers (MCQs) focuses on “Iron”. 1. Which among the following is not an iron ore? a) Hematite b) Magnetite c) Siderite d) Pyrrhotite 2. Which among the following is an essential chemical reaction for the manufacture of pig iron? a) Fe2O3 + 3C → 2Fe + … Read more
This set of Chemical Industry Multiple Choice Questions & Answers (MCQs) focuses on “Polymerization”. 1. Which of the following is not a method of classification of polymers? a) Mode of preparation b) Physico-chemical properties c) Technical applications d) Functional group 2. Which of the following is the most used method for polymerization? a) Bulk polymerization … Read more
This set of Chemical Industry Multiple Choice Questions & Answers (MCQs) focuses on “Polymerization – Composite Materials”. 1. Composite materials are a plastic matrix. a) True b) False 2. How is carbon fibre manufactured? a) Heating b) Thermal degradation of PAN c) Cooling of PAN d) Thermal degradation of polyethylene 3. Asbestos is used in … Read more
This set of Chemical Industry Questions and Answers for Campus interviews focuses on “Polymerization – Fibres”. 1. What are synthetic polymeric fibres? a) Multifunctional monomers forming three or more active covalent bonds b) Linear chains joined one to another at various positions c) Linear molecules formed by extrusion d) Polymers with side branches 2. How … Read more
This set of Chemical Industry Multiple Choice Questions & Answers (MCQs) focuses on “Polycondensation”. 1. Which polymer is considered cheap effective and has excellent physical and electrical properties? a) Phenolics b) Epoxy resin c) Polystyrene d) PVC 2. How can we control the resin characteristics? a) Basic solution catalyst b) Acid solution catalyst c) Solid … Read more
