Self Studies
Self Studies
Self Studies
Self Studies

Principles & Is...

TIME LEFT -
  • Question 1
    1 / -0.25

    Only One Option Correct Type

    Direction (Q. Nos. 1-10) This section contains 10 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONLY ONE is correct.

    Q.

    Which of the following is not correctly matched ?

  • Question 2
    1 / -0.25

     

    The purpose of adding cryolite is

     

  • Question 3
    1 / -0.25

    In Mac Arthur Forest method, silver is extracted from the solution of Na[Ag(CN)2 ] by the use of

  • Question 4
    1 / -0.25

    In the extraction of copper, the metal formed in the Bessem er ’s convertor is due to the reaction

  • Question 5
    1 / -0.25

    The nitrate of which metal leaves metallic globule on strongly heating ?

  • Question 6
    1 / -0.25

    In the extraction of gold, the cyanide solution acts as a

  • Question 7
    1 / -0.25

    The matte is impure substance obtained during the extraction of

  • Question 8
    1 / -0.25

    During the extraction of gold the following reactions takes place
      Au + CN-  + H2 O   X,

    X + Zn  →Y + Au

  • Question 9
    1 / -0.25

    Identify the reaction that does not take place in a blast furnace

  • Question 10
    1 / -0.25

    Roasting of sulphides gives the gas X as a byproduct. This is a colourless gas with choking smell of burnt sulphur and causes great damage to respiratory organs as a result of acid rain. Its aqueous solution is acidic, acts as reducing agent and its acid is never isolated. The gas X is

Submit Test
Self Studies
User
Question Analysis

  • Answered - 0

  • Unanswered - 10

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
Submit Test
Self Studies Get latest Exam Updates
& Study Material Alerts!
No, Thanks
Self Studies
Click on Allow to receive notifications
Allow Notification
Self Studies
Self Studies Self Studies
To enable notifications follow this 2 steps:
  • First Click on Secure Icon Self Studies
  • Second click on the toggle icon
Allow Notification
Get latest Exam Updates & FREE Study Material Alerts!
Self Studies ×
Open Now