RRB Group D Exam 2022 Physics And Chemistry Practice Set 34: Must read these questions before the exam

RRB Group D Exam 2022 Physics And Chemistry Practice Set 34 : 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 34

RRB Group D Exam 2022 Physics And Chemistry Practice Set 34

Question. The velocity-time graph of a body comes in a straight line and touches the X-axis passing through the origin. body is in motion

  • with uniform velocity
  • with changing acceleration
  • with zero acceleration
  • with uniform acceleration

Answer : 4

Question. The process associated with the burning of hydrogen is

  • hydration
  • oxidation
  • Revision
  • hydrogenation

Answer: 2

Question. The velocity-time graph of a body comes in a straight line and touches the X-axis passing through the origin. body is in motion

  • with uniform velocity
  • with changing acceleration
  • with zero acceleration
  • with uniform acceleration

Answer : 4

Question. The process associated with the burning of hydrogen is

  • hydration
  • oxidation
  • Revision
  • hydrogenation

Answer: 2

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Question. How much force will be required to produce an acceleration of 8 m/s in a ball of mass 2 kg?

  • 16 newton
  • 8 newton
  • 12 newton
  • 20 newton

Answer 1

Question. Which of the following is a source of energy that is an alternative to conventional fossil fuels?

  • natural gas
  • Petroleum
  • Coal
  • nuclear material

Answer : 4

Question: Which material is used in the manufacture of matches?

  • white phosphorus
  • red phosphorus
  • silicone
  • selenium

Answer: 2

Question. Question. The Sun and other stars are the source of enormous energy

  • nuclear fusion
  • Nuclear fission
  • Both
  • none of these

Answer: 2

Question. ability to work

  • Force
  • Power
  • energy
  • fuel

Answer : 3

Question. converts solar energy into electrical energy

  • solar heater
  • solar cooker
  • solar cell
  • electric motor

Answer : 3

Question. How much force will be required to produce an acceleration of 8 m/s in a ball of mass 2 kg?

  • 16 newton
  • 8 newton
  • 12 newton
  • 20 newton

Answer 1

Question. The substances which have sour taste and which turn blue litmus solution red are called?

  • acid
  • salt
  • ashes
  • base

Answer 1

Question. Where were cryogenic engines applied?

  • air conditioner
  • rocket technology
  • washing machine
  • railway locomotives

Answer: 2

Question. Which of the following metals is liquid at ordinary temperature?

  • zinc
  • sodium
  • water
  • Mercury

Answer : 4

Question. Which of the following metals is found in free state in nature?

  • sodium
  • iron
  • zinc
  • Sleep

Answer : 4

Question. Gun metal is-

  • Cu + Sn + Zn
  • Cu + Sn
  • Cu + Zn
  • Zn + Sn

Answer 1

Question. Ammonia gas on passing through aqueous CuSO4 solution produces a dark blue color. The dark blue colored molecular formula produced is-

  • CuSO4. NH3
  • CuSO4 . 4NH3
  • [Cu(NH3)4]SO4
  • [Cu(NH3)6]SO4

Answer : 3

Question. Which of the following substances is magnetic?

  • quartz
  • bismuth
  • Nickel
  • Domain

Answer : 3

Question. A long current carrying coil is called-

  • Esophagus
  • Domain
  • toroid
  • none of these

Answer 1

Question. The most common oxidation state of the first row transition elements is

Answer : 3

Question. An element with electronic configuration of 2,8,6 is placed in the group ……….. of the modern periodic table.

Answer: 2

Question. Which hypothesis does the first law of thermodynamics confirm?

  • Energy Conservation
  • job protection
  • heat protection
  • none of these

Answer : 3

Question. Elements belonging to ……group are known as “D” block elements.

  • 1 and 2
  • 3 and 12
  • 3 to 10
  • 13 to 18

Answer: 2

Question. The function of thermostat in refrigerator is-

  • reduce the temperature
  • increase the freezing temperature
  • maintain the same temperature
  • decrease melting point

Answer : 3

Question. In what order were the elements arranged in Mendeleev’s periodic table?

  • In decreasing order of atomic masses
  • In increasing order of atomic masses
  • In decreasing order of atomic numbers
  • In increasing order of atomic numbers

Answer : ??

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

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