756. Which chemical is produced through the Solvacy process or ammonia-soda process?Sodium carbonate
757. Which color is showed by a universal indicator in a solution with neutral pH value?
Green
758. Ponds look shallow due to the --------- of light.
Refraction
759. Which metal alloy is used to make permanent magnets?
Alnico
760. The force of attraction which stick the water particles at the window glass is -------------
Adhesion
761. What is the process in which two light nuclei to form a heavier nucleus with the release of energy?
Nuclear fusion
762. What is the working principle of an atomic bomb?
Nuclear fission
763. What will be the weight of a body at the centre of Earth?
Zero (Neutralised)
764. What is the power of ordinary torch cell?
1.5 volt
765. Which color is seen on the outer edge of a rainbow?
Red
766. Which device is used for detecting even feeble current?
Galvano scope
767. Which is the strongest force in nature?
Nuclear force
768. Which rays of the sunlight makes solar cooker hot?
Infra red rays
769. The capillary action phenomenon of water rising up a narrow tube dipped in water is due to
Surface tension
770. The image formed by a plane mirror is ..........
Virtual image
771. Which kind of cells convert light energy to electric energy?
Photoelectric cells
772. Muddy water is an example of solution.
Colloidal solution
773. Which rays of sunlight is absorbed by carbon dioxide molecules in atmosphere?
Infra red rays
774. Which type of waves a cellular phone uses to operate?
Microwaves
775. Bats can understand obstacles because they produce -------------
Ultrasonic sound waves
776. Which process is used to separate water & alcohol?
Distillation
777. Which was the first planet founded by Mathematical prediction rather than by empirical observation?
Neptune
778. Liquefied natural gas or LNG is natural gas, predominantly composed of. ?
Methane
779. The mineral form of which chemical is known as Sassolite?
Boric Acid
780. Which chemical property of an element is described by the Pauling scale?
Electronegativity
781. What is the full form of LED?
Light Emitting Diode
782. Which metal is used in the catalytic converters in cars to reduce the pollution from exhaust gases?
Platinum
783. Bertrandite & phenakite are the minerals of ?
Beryllium
784. Which layer of the atmosphere is the 'meteor region'?
Mesosphere
785. Which is the second most abundant salt in sea water?
Magnesium chloride
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