Self Studies
Selfstudy
Selfstudy

Chemistry Test ...

TIME LEFT -
  • Question 1
    4 / -1

    Radius of 3rd orbit of Li2+ ion is x cm then de Broglie wavelength of electrons in the first orbit is (in cm)

  • Question 2
    4 / -1

    An aqueous solution of 6.3 g oxalic acid dihydrate is made up to 250 mL. The volume of 0.1 N NaOH required to completely neutralize 10 ml of this solution is

  • Question 3
    4 / -1

    What will be the heat of formation of methane, if the heat of combustion of carbon is ‘–x’ kJ, heat of formation if water is ‘–y’ kJ and heat of combustion of methane is ‘–z’ kJ

  • Question 4
    4 / -1

    The pH of 0.1 molar solution of the acid HQ is 3. The value of the ionisation constant Ka of the acid is

  • Question 5
    4 / -1

    Which of the following statement about hydrogen are correct

    (a) Hydrogen has three isotopes of which tritium is radioactive in nature

    (b) Hydrogen never acts as a cation in ionic salt

    (c) Hydrogen ion, H+, does not exist free in solution

    (d) Hydrogen does not act as an oxidising agent

  • Question 6
    4 / -1

    The pollutants which come directly in the air from sources are called primary pollutants. Primary pollutants are sometimes converted into secondary pollutants. Which of the following belongs to secondary air pollutants?

  • Question 7
    4 / -1

    Which of the statements about solutions of electrolytes is not correct?

  • Question 8
    4 / -1

    Which of the following process is not responsible for the presence of electric charge on the sol particles?

  • Question 9
    4 / -1

    Among following which are amphoteric oxide?

    Mn2O7, CrO3, Cr2O3, CrO, V2O5, V2O4

  • Question 10
    4 / -1

    Which of the following reactions does not occur in Bessemer converter in the extraction of copper from chalcopyrites?

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