Top 550+ Solved General Science MCQ Questions Answer

From 496 to 510 of 532

Q. 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

  • a. Semiconductor laser

Q. The power of a lens is measured in :

a. diopters

b. aeon

c. lumen

d. candela

  • a. diopters

Q. Amalgam‘ is a term used for an alloy of a metal with:

a. Copper

b. Mercury

c. Lead

d. Aluminium

  • b. Mercury

Q. Gammaxene, D.D.T. and Bleaching powder are important compounds of :

a. Chlorine

b. Nitrogen

c. Sulphur

d. Phosphorus

  • a. Chlorine

Q. L.P.G. is a hydrocarbon consisting of a mixture of:

a. Methane and Butane

b. Propane and Butane

c. Ethane and Propane

d. Ethane and Butane

  • b. Propane and Butane

Q. What is Kerogen oil?

a. Its an unconventional oil produced from the pyrolysis, hydrogenation, or thermal dissolution of Oil Shales

b. Its a light crude oil contained in petroleum-bearing formations of shales

c. Its an unconventional oil produced from the pyrolysis, hydrogenation, or thermal dissolution of environmental wastes

d. It‘s a new form of vegetable oil prepared artificially in laboratory

  • a. Its an unconventional oil produced from the pyrolysis, hydrogenation, or thermal dissolution of Oil Shales

Q. Which among the following was first human-made plastic?

a. Bakelite

b. Polyethene

c. Celluloid

d. Nylon

  • c. Celluloid

Q. Which among the following is the correct impact of the London Forces in the Cycloalkanes?

a. The melting and boiling points get increased

b. The Melting and boiling points get decreased

c. There is not impact on the melting and boiling points

d. The melting point increases but boiling point decreases

  • a. The melting and boiling points get increased

Q. Gargling with a solution of table salt is known to provide relief for a sore throat because ___ ?

a. It kills bacteria

b. It works as analgesic

c. It dehydrates water from inflammatory tissues by Osmosis

d. Placebo effect

  • c. It dehydrates water from inflammatory tissues by Osmosis

Q. The Potassium graphite and Calcium Graphite can be mostly used as which among the following?

a. Moderators

b. Semiconductors

c. Superconductors

d. Lubricants

  • c. Superconductors

Q. Which among the following minerals is also known as Horn Silver?

a. Silver Iodide

b. Silver Chroride

c. Zinc Phosphate

d. Silver Sulphide

  • b. Silver Chroride

Q. Polymetallic Modules (PMN) predominantly contain_____?

a. Calcium

b. Magnesium

c. Manganese

d. Copper

  • c. Manganese

Q. The colors in the fine cut diamond are because of which among the following?

a. Variance in transparency of diamond

b. Variance in index of refraction

c. Presence of Impurities

d. Existence of definite planer layers

  • c. Presence of Impurities
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