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RRB Group D 2026 Previous Year GK Questions with Answers

GK questions asked in RRB Group D 2026, with answers and explanations.

Previous Year Questions

Q1.General ScienceAsked in: RRB Group D · 04 Feb 2026, Shift 1Easy

Which of the following is a characteristic property of ionic compounds?

  1. A.Strong electrostatic forces between ions
  2. B.Low melting point
  3. C.Insoluble in water
  4. D.Poor electrical conductivity in molten state
Show answer
Correct answer: A. Strong electrostatic forces between ions

An ionic compound is a lattice of positive and negative ions held by strong electrostatic attraction, and that force explains all its other properties.

Q2.General ScienceAsked in: RRB Group D · 02 Feb 2026, Shift 3Easy

Which of the following is NOT a property of ionic compounds?

  1. A.They generally have high melting and boiling points.
  2. B.They are generally solid at room temperature.
  3. C.They can conduct electricity in an aqueous/molten state.
  4. D.They are soluble in solvents such as kerosene and petrol.
Show answer
Correct answer: D. They are soluble in solvents such as kerosene and petrol.

Ionic compounds dissolve well in water but not in kerosene, petrol or other non-polar organic solvents, so this statement is not a property of theirs.

All Railway previous year questions