Rules

1. The test consists of 5 MCQs.

2. You can attempt any question at random but sequential answering is suggested.

3. If you wish, the EXPLANATION can be viewed immediately after answering a question. If not, you can see at the end of the test.

4. After completing the test, click FINISH button to view your PERFORMANCE REPORT.

5. Your option to a particular question will be locked if you have viewed its EXPLANATION.
All the options answered will be locked after hitting the FINISH button. Until then you can change your option(s).

6. Remember this is not a test of speed. However, the time taken to complete the test and number of hints used are displayed in the report.

  • 1. X = 4x3 + 2x2 + 8x + 7. If X + A = X, then A is

    • a) 1
    • b) – 1
    • c) 0
    • d) 2
    Check Answer

  • 2. A copper calorimeter weighing 0.l kg contains 0.2 kg of water at 20°C. The mass of the ice that should be added to the water in the calorimeter so that the temperature falls to 10°C is...... (Specific heat of copper 420 J kg–1 K–1 and latent heat of fusion of ice is 336000 J kg–1 )

    • a) 2.33 kg
    • b) 0.0233 kg
    • c) 0.233 kg
    • d) 3.233 kg
    Check Answer

  • 3. The reaction described below is

    • a) SN1
    • b) SN2
    • c) E1
    • d) E2
    Check Answer

  • 4. Assertion (A): In sea diver gases, the nitrogen of normal air is replaced by helium
    Reason (R): Nitrogen becomes more soluble in the body fluids at high pressures and causes conditions similar to alcohol intoxication

    • a) Both ‘A’ and ‘R’ are true. ‘R’ is correct explanation of ‘A’.
    • b) Both ‘A’ and ‘R’ are true. ‘R’ is not correct explanation of ‘A’.
    • c) ‘A’ is true but ‘R’ is false
    • d) 'A' is false but ‘R’ is true
    Check Answer

  • 5. A copper calorimeter weighing 0.l kg contains 0.2 kg of water at 20°C. The mass of the ice that should be added to the water in the calorimeter so that the temperature falls to 10°C is...... (Specific heat of copper 420 J kg–1 K–1 and latent heat of fusion of ice is 336000 J kg–1 )

    • a) 2.33 kg
    • b) 0.0233 kg
    • c) 0.233 kg
    • d) 3.233 kg
    Check Answer