General Knowledge Questions Answer GK Quiz

GK General Knowledge - Physics Question Answer Quiz

Q. Who was the first scientist of the world to use the symbols to represent elements in a shortway?
1) Dalton
2) Jons Jakob Berzelious
3) Neils Bohr
4) Dmitri Mendeleev

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Q. Which of the following is/ are physical changes?
I. Melting of iron rod
II. Rusting of iron metal
III. Bending of an iron rod
IV. Drawing a wire of iron metal
Correct code is -

1) Only I, II and III
2) Only I, II and IV
3) Only I, III and IV
4) Only II, III and IV

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Q. Milk of Magnesia is a -
1) Colloid
2) True solution
3) Homogeneous Mixture
4) Suspension

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Q. Which mineral is also known as fool's gold?
1) Quartz
2) Magneti
3) Pyrite
4) Fluorite

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Q. The physics phenomenon when, in polar regions like Alaska and Northern Canada, a splendid display of colours is seen in the sky is called a/an -
1) aurora borealis
2) star shower
3) active galactic nucleus
4) star's intrinsic luminosity

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Q. Which of the following metals in pure form has the highest melting point?
1) Tungsten
2) Copper
3) Platinum
4) Gold

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Q. All the mixtures containing a solid and a liquid can be separated by -
I. Centrifugation
II. Evaporation
III. Crystalisation
IV. Chromatography
Correct code is -

1) Only I
2) Only II and III
3) I, II, III and IV
4) Only III and IV

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Q. Which of the following is not a characteristic of a physical change?
1) It is a temporary change
2) It is usually an irreversible change
3) Very little heat (or light) energy is usually absorbed or given out
4) The mass of a substance does not alter in a physical change

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Q. Sound cannot travel through -
1) Solids
2) Liquids
3) Gases
4) Vaccum

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Q. What is the correct ascending order of the following substances in relation to their density (kg/ m3)?
1) Aluminium, Iron, Mercury, Gold
2) Gold, Iron, Aluminium, Mercury
3) Mercury, Iron, Gold, Aluminium
4) Iron, Gold, Mercury, Aluminium

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