Class XII Chemistry Theory (043) Practice Quiz 2023-24
11 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

In the electrolysis of copper(II) sulfate solution using copper electrodes, what is deposited at the cathode?

  • Zinc
  • Copper
  • Oxygen
  • Hydrogen (correct)

    • Which compound is an aldehyde?

  • Methanoic acid
  • Butanone
  • Propanal (correct)
  • Ethanol

    • What is the product of the acetylation of salicylic acid in the presence of an acid?

  • Hydrochloric acid
  • Acetic acid
  • Aspirin (correct)
  • Salicylic acid

    • Which statement about the rate of the reaction is correct?

    <p>The rate of the reaction increases with the concentration of the reactant.</p> Signup and view all the answers

    Which statement about atomic radii is true?

    <p>Atomic radii of 3d &lt; atomic radii of 4d</p> Signup and view all the answers

    What do luminous objects do?

    <p>Luminous objects give out or emit light of their own.</p> Signup and view all the answers

    What is the role of light in seeing objects?

    <p>Without light, things cannot be seen. Light helps us see objects.</p> Signup and view all the answers

    What is the function of a torch bulb?

    <p>The torch bulb is an object that gives out light of its own.</p> Signup and view all the answers

    What are some examples of luminous objects?

    <p>The Sun and torch bulbs are examples of luminous objects.</p> Signup and view all the answers

    How does light enable us to see non-luminous objects?

    <p>Light from a luminous object (like the Sun, a torch or an electric light) allows us to see non-luminous objects when it falls on them.</p> Signup and view all the answers

    Components of Mapa

    Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser