Home Chemistry Chemical Energetics Test Online Mcqs Preparation

Chemistry Chemical Energetics Test Online Mcqs Preparation

Chemistry Chemical Energetics Test Online Mcqs Preparation With Answers Start Below

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Question 1 of 15

1. What is correct about heat of combustion:
A.
B.
C.
D.

Question 1 of 15

Question 2 of 15

2. The enthalpy of formation of a compound is:
A.
B.
C.
D.

Question 2 of 15

Question 3 of 15

3. Change in enthalpy of ∆H a system can be calculated by following relationship
A.
B.
C.
D.

Question 3 of 15

Question 4 of 15

4. The exothermic process is
A.
B.
C.
D.

Question 4 of 15

Question 5 of 15

5. The values of ∆H for the process I(g) + e-1  → I-1(g) is:
A.
B.
C.
D.

Question 5 of 15

Question 6 of 15

6. What is not correct about ∆Hf
A.
B.
C.
D.

Question 6 of 15

Question 7 of 15

7. According to Hess’s Law, the enthalpy change for a reaction
A.
B.
C.
D.

Question 7 of 15

Question 8 of 15

8. Calories is equivalent to
A.
B.
C.
D.

Question 8 of 15

Question 9 of 15

9. The enthalpies of all elements in their standard states are
A.
B.
C.
D.

Question 9 of 15

Question 10 of 15

10. The heat of reaction depends upon:
A.
B.
C.
D.

Question 10 of 15

Question 11 of 15

11. Choose from the following the correct statement about Born Harbor cycle
A.
B.
C.
D.

Question 11 of 15

Question 12 of 15

12. Most of the reactions which give stable products are
A.
B.
C.
D.

Question 12 of 15

Question 13 of 15

13. A hypothetical reaction X → 2Yproceeds by the following sequence of steps:
1/2X → Z   ∆H = q1Z → 2W     ∆H = q2W → 1/2Y   ∆H = q3The values for the ∆H of the reaction is
A.
B.
C.
D.

Question 13 of 15

Question 14 of 15

14. When a solid melts, there is:
A.
B.
C.
D.

Question 14 of 15

Question 15 of 15

15. Total heat content of a system is called
A.
B.
C.
D.

Question 15 of 15


 

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