Self Studies
Self Studies
Self Studies
Self Studies

Chemistry Test - 15

Result Self Studies

Chemistry Test - 15
  • Score

    -

    out of -
  • Rank

    -

    out of -
TIME Taken - -
Self Studies

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Self Studies Self Studies
Weekly Quiz Competition
  • Question 1
    1 / -0

    Directions: The following question has four choices, out of which ONLY ONE is correct.

    Which of the following spectrums gives information about molecular mass, molecular formula and molecular structure of an unknown compound?

    Solution

    Mass spectrum

  • Question 2
    1 / -0

    An organic compound containing carbon, hydrogen and oxygen contains 52.20% carbon and 13.04% hydrogen. Vapour density of the compound is 23 g/m3. Its molecular formula will be

    Solution

    C2H6O

  • Question 3
    1 / -0

    Which of the following methods is used for the separation of two immiscible liquids?

    Solution

    Separating funnel method

  • Question 4
    1 / -0

    The empirical formula of a compound is CH2. The mass of one mole of this compound is 42 g. Its molecular formula is

    Solution

    C3H6

  • Question 5
    1 / -0

    When pieces of human hair are heated strongly with soda lime, the smell of ammonia can be detected. Which of the following conclusions can be drawn from this observation?

    Solution

    Human hair contains amino acid.

  • Question 6
    1 / -0

    Which of the following reagents will produce CCl2F2, commonly called as Freon 12?

    Solution

    CCl4+ HF →

  • Question 7
    1 / -0

    Zinc/Silver oxide cell is used in electric watches.

    Zn →Zn2+ + 2e- E0 = - 0.76 V

    Ag2O + H2O + 2e-→2Ag + 2OH- E0cell = 0.8 V

    Find ∆G0 in joules.

    Solution

    - 3.01 x 105J

  • Question 8
    1 / -0

    Which of the following is mostly used as a reference electrode?

    Solution

    Hg2Cl2

  • Question 9
    1 / -0

    The emf of Daniell cell (given below) at 298 K is E1.

    \(\mathrm{Zn}\left|\begin{array}{l}\mathrm{ZnSO} \\ (0.01 \mathrm{M})\end{array}\right|\left|\begin{array}{l}\mathrm{CuSO} \\ (1.0 \mathrm{M})\end{array}\right| \mathrm{Cu}\)

    When concentration of ZnSO4 is 1.0 M and that of CuSO4 is 0.01 M, the emf is changed to E2. What is the relationship between E1 and E2?

    Solution

    E1> E2

  • Question 10
    1 / -0

    How many hours does it take to reduce 3 mol of Fe3+ to Fe2+ with 2.0 A current? [F = 96500 C]

    Solution
    40.21 hours
Self Studies
User
Question Analysis

  • Correct -

  • Wrong -

  • Skipped -

My Perfomance
  • Score

    -

    out of -
  • Rank

    -

    out of -
Re-Attempt Weekly Quiz Competition
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