MCQs Chemistry Class 11

mcqs chemistry Class 11

MCQs Chemistry Class 11 – Here is a complete collection of multiple-choice questions covering different topics in chemistry for 11th-grade students. This source is designed to help class 11 students prepare for their exams and tests and improve their understanding of key concepts in chemistry with these first-year MCQs chemistry. The questions test students’ knowledge of basic fundamental chemical principles, With students can practice their problem-solving skills and developing a deeper understanding of the subject. This MCQ chemistry collection is an essential study tool for students preparing for their class 11 chemistry exams as well as upcoming job tests.

MCQs Chemistry let’s get started

  1. The internal resistance in the flow of liquid is called.
    A. Surface tension
    B. Viscosity
    C. Diffusion
    D. Vapour pressure
    correct Answer: Viscosity
  2. A unit used to express surface tension is.
    A. Poise
    B. Dyne/cm²
    C. erg/cm
    D. erg/cm²
    correct Answer: erg/cm²
  3. The boiling point of a liquid is independent of.
    A. External pressure
    B. Impurity
    C. Intermolecular forces
    D. Amount of liquid
    correct Answer: Amount of liquid
  4. The direct conversion of the solid phase into the gas phase without passing through liquid is called.
    A. Evaporation
    B. Sublimation
    C. Boiling
    D. Vaporization
    correct Answer: Sublimation
  5. Carborundum is an example of _ a crystal.
    A. Atomic
    B. Metallic
    C. Covalent
    D. Molecular
    correct Answer: Covalent
  6. Characteristics of ionic crystals are:
    A. low melting point and luster
    B. High refractive index and non-conductor
    C. High melting point and brittle
    D. Malleable and ductile
    correct Answer: High refractive index and non-conductor
  7. The existence of compounds in different crystalline forms is called.
    A. Polymorphism
    B. Isomorphism
    C. Allotropy
    D. Isotropy
    correct Answer: Polymorphism
  8. The amorphous substance has.
    A. Definite geometry
    B. Cleavage plane
    C. Sharp melting point
    D. Isotropy
    correct Answer: Isotropy
  9. The solid with regular arrangements of particles is called.
    A. Amorphous
    B. Isotropic
    C. Polymorphous
    D. Crystalline
    correct Answer: Crystalline
  10. The pressure exerted by vapors of a liquid at equilibrium with vapor phase is called.
    A. Partial pressure
    B. Osmotic pressure
    C. Vapour pressure
    D. Total pressure
    correct Answer: Vapour pressure
  11. Increasing the temperature of a liquid causes.
    A. Decrease in its viscosity
    B. Increase in its surface tension
    C. Increase in its viscosity
    D. Decrease in its vapor pressure
    correct Answer: Decrease in its viscosity
  12. Faraday’s experiments showed.
    A. Presence of protons
    B. Presence of a nucleus
    C. Presence of alpha particles
    D. Presence of charge
    correct Answer: Presence of charge
  13. Gases conduct electricity at.
    A. Low temperature
    B. Low volume
    C. Low pressure
    D. Low voltage
    correct Answer: Low pressure
  14. Which discovery is made by Goldstein? A. Protons
    B. Positive rays
    C. Neutrons
    D. A and b
    correct Answer: A and b
  15. The nature of canal rays depends upon:
    A. Nature of gas
    B. Nature of cathode
    C. Nature of anode
    D. Nature of glass
    correct Answer: Nature of gas
  16. The cathode rays are deflected by:
    A. Electric field
    B. Magnetic field
    C. All of these
    D. None of these
    correct Answer: All of these
  17. Cathode rays consist of:
    A. Electrons
    B. Protons
    C. Helium ions
    D. Gaseous ions and atoms
    correct Answer: Electrons
  18. The surface tension may be defined as:
    A. The force per unit length
    B. Downward pull on the surface of the liquid
    C. Energy per unit area
    D. All of these
    correct Answer: All of these
  19. Which of the following are crystalline solids?
    A. Glass
    B. Diamond
    C. Wood
    D. Sodium chloride
    E both a and b
    correct Answer: Both a and b
  20. Which of these factors determines the viscosity of a liquid:
    A. Intermolecular forces
    B. Shape of molecules
    C. Molecular mass
    D. Temperature
    E. All of these
    correct Answer: All of these

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