RRB Group D Exam 2022 Physics And Chemistry Practice Set 32: Must Read These Questions Before Exam

RRB Group D Exam 2022 Physics And Chemistry Practice Set 32 : by Railway Recruitment Board RRB Group D The date of examination has been announced for RRB Group D exam will start from next month i.e. 23rd February 2022. Therefore, now all the competitive students who are preparing for Railway Group D, now they should intensify their preparation even more.

In such a situation, today through this article, we have brought a collection with answers to some important questions of physics and chemistry asked by the Railways in the previous examinations. Therefore, before going to the competitive examination, students should see these questions thoroughly and understand it.

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RRB Group D Exam 2022 Physics And Chemistry Practice Set 32

RRB Group D Exam 2022 Physics And Chemistry Practice Set 32

Question. Which of the following is called washing soda?

  • sodium carbonate
  • calcium oxide
  • potassium aluminum sulfate
  • sodium bicarbonate

Answer 1

Question. For what reason does the person present inside the water seem to be at a higher height than the actual position above the surface of the water?

  • due to refraction of light
  • due to reflection of light
  • due to interference of light
  • due to diffraction of light

Descend : 1

Question. Which of the following substances is magnetic?

  • quartz
  • bismuth
  • Nickel
  • Domain

Answer : 3

Question. What is the formula of hydrochloric acid?

  • H₂SO₄
  • HNO₃
  • HCl
  • HPO₄

Answer : 3

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Question. Due to which property a stick immersed in a vessel filled with water appears to be bent?

  • reflection
  • refraction
  • Newton’s law of motion
  • buoyancy

Answer: 2

Question. From which of the following sources the purest water can be obtained?

  • mineral water
  • River water
  • well water
  • rain water

Answer : 4

Question. When a ray of light passes from a rarer medium to a denser medium, it

  • goes in a straight line
  • Leaning towards the normal.
  • moves away from the normal.
  • none of these

Answer: 2

Question. rusting of iron . , , , , , , . is an example of .

  • oxidation
  • absorption
  • Mitigation
  • Absorption

Answer 1

Question. According to Newton’s third law of motion and the force associated with the reaction

  • Always be on the same object.
  • May be attached to different objects.
  • Always be engaged on different objects.
  • They do not have to be of equal magnitude, but they should have the same direction.

Answer : 3

Question. “Gypsum” is an ore of which metal?

  • calcium
  • sodium
  • magnesium
  • iron

Answer 1

Question. For every Newton action there is an equal and opposite reaction. this is

  • Newton’s first law of motion
  • Newton’s second law of motion
  • Newton’s third law of motion
  • none of the above

Answer : 3

Question. Which of the following is used to kill rats?

  • zinc phosphide
  • Duralumin
  • zinc oxide
  • sodium nitrate

Answer 1

Question. acceleration produced by an unbalanced force in a body

  • is inversely proportional to force.
  • is directly proportional to the force.
  • independent of the effect of force.
  • becomes zero.

Answer: 2

Question. The gas used as a coolant in a refrigerator is

  • freon 12
  • helium
  • ammonia
  • Carbon dioxide

Answer 1

Question. There is no change in the position and direction of any stationary or moving object unless a Bible is actuated on it.” this is-

  • Newton’s first law of motion
  • Newton’s second law of motion
  • Newton’s third law of motion
  • Galileo’s law of motion

Answer 1

Question. Sodium is kept below kerosene because-

  • it is poisonous
  • it evaporates
  • it melts in the air
  • It catches fire in contact with the wind

Answer : 4

Question. What is the substance that dissolves in moisture when it is left open?

  • hygroscopic
  • Fluorescent
  • prasavdya
  • Utful

Answer 1

Question. Electron is a subatomic particle of which type of electric charge?

  • negative
  • positive
  • neutral
  • none of these

Answer 1

Question. Which of the following minerals does not contain oxygen?

  • in pyrite
  • in silicate
  • in carbonate
  • neither of the above

Answer 1

Question. Which of the following processes does not increase particulate matter suspended in the air?

  • fuel combustion
  • combustion of coal
  • paper industry
  • Use of air conditioning device

Answer : 4

Question. Which variety of coal is considered as high quality coal due to high level of carbonization?

  • bituminous
  • lignite
  • anthracite
  • Pete

Answer : 3

Question. Which of the following types of lenses can be used to correct the defect of myopia?

  • Ambiguous
  • concave
  • Convex
  • Flat

Answer: 2

Question. What is used to prevent fire started by electricity?

  • chloroform
  • Pyrene CCl₄
  • formalin
  • iodoform

Answer: 2

Question. Which of the following is not an isotope of hydrogen?

  • atrium
  • Deuterium
  • Tritium
  • Proteum

Answer : ??

What would be the correct answer to this question? Do give us your answer in the comment section.

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