711. Which among the following is the unit of the scale used for measurement of the spicy heat of a chili pepper? A. Smith B. Wright C. Orville D. Scoville ✅ The correct answer is option D.
712. Acetylene cannot be safely pressurized as a pure compound. Which among the following is used for safe storage and transportation of Acetylene? A. Kerosene B. Acetone C. Vinegar (Acetic Acid) D. Propylene glycol ✅ The correct answer is option B.
713. The television technology in which a new form of light-emitting crystals which can be printed onto flexible plastic sheets to produce a paper-thin display that can be rolled up and carried in a pocket is: A. QD-TV B. SED-TV C. Pixel Plus D. Slingbox ✅ The correct answer is option A.
714. Which among the following kinds of Chemical reactions cause the rocks turn red or yellowish? A. Hydration B. Oxidation C. Carbonation D. Exfoliation ✅ The correct answer is option B.
715. Aluminum is getting popular worldwide today as a ―Green Metal‖. Which among the following properties of Aluminum makes it a Green Metal? A. Aluminum has been providing a replacement of wood for saving forests and contributes in environment protection B. Aluminum is a light metal and it is resistant to corrosion C. Aluminum has fairly high rate of recycling and it can be re-used repeatedly without its quality deteriorating D. The lands after the Bauxite mining can be restored very quickly and easily ✅ The correct answer is option C.
716. The power of a lens is measured in : A. diopters B. aeon C. lumen D. candela ✅ The correct answer is option A.
717. If a Hydrogen atom is removed from a hydrocarbon of Benzene group, the remaining residue is called _________? A. Alkyl B. Aryl C. Arene D. Azene ✅ The correct answer is option B.
718. An aqueous solution of Sodium Acetate will be of which among the following nature? A. Acidic B. Basic C. Neutral D. Either acidic or basic depending upon temperature of solution ✅ The correct answer is option B.
719. Which one of the following types of Laser is used in Laser Printers? A. Semiconductor laser B. Excimer Laser C. Dye Laser D. Gas Laser ✅ The correct answer is option A.
720. Albert Einstein was awarded Nobel Prize for his path-breaking research and formulation of the: A. Theory of Relavitity B. Laws of Photo-Electric Effect C. Principle of Wave-Particle Duality D. Theory of Critical Opalescence ✅ The correct answer is option B.