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General Science Objective Questions and answer

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19.) Heavy water is

A. Deuterium Oxide

B. Ph7

C. Rain Water

D. Tritium Oxide

View Answer

Correct Answer: A.

20.) Which of the following is not a chemical reaction?

(A) Burning of paper
(B)
Digestion of food
(C)
Conversion of water into steam
(D) Burning of coal

View Answer

Correct Answer: C.

21.) Which of the following is a physical change?

(A) Oxidation
(B)
Reduction
(C)
Sublimation
(D)
Decomposition

View Answer

Correct Answer:  C

22.) Marsh gas is

A. Nitrogen                         B. Ethane

C. Methane                        D. Hydrogen

   View Answer 

Correct Answer:  C


23.)
Which of the following is not a chemical reaction?

(A) Burning of paper
(B)
Digestion of food
(C)
Conversion of water into steam
(D)
Burning of coal

  View Answer 

Correct Answer:  C


24.)
Which of the following is a chemical change?

(A) Rusting of iron
(B)
Tempering of iron
(C)
Melting of iron
(D)
Bending of iron

  View Answer 

Correct Answer:  A

 
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The Oracle Certification Program is a professional certification program offered by the Oracle Corporation. There are three levels of Oracle Certification in several disciplines: Oracle Certified Associate (OCA), Oracle Certified Professional (OCP), and Oracle Certified Master (OCM).

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