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Everyday Science Questions & Answers Section 37

This is the 37 section from Everyday Science. These questions and answers will be from Petroleum, Vitamin A and B, DNA and Nucleic Acid.

Ques No.1: Petroleum is a mixture of many?

Ans: Hydrocarbons

Ques No.2: Raw materials used for manufacturing urea are?

Ans: CO2 & NH3

Ques No.3: Which one is a step of metallurgical process?

Ans: Roasting

Ques No.4: Different fractions of petroleum are separated by?

Ans: Fractional Distillation

Ques No.5: The blister form of copper is__________form.

Ans: Impure

Ques No.6: Vitamin A is soluble in?

Ans: Fats

Ques No.7: Vitamin B is soluble in?

Ans: Water

Ques No.8: There are__________types of DNA.

Ans: 4

Ques No.9: Nucleic acid was first discovered in?

Ans: 1869

Ques No.10: Mutation is a sudden chemical change in?

Ans: DNA

Read more:

Everyday Science Questions & Answers Section 38
Everyday Science Questions & Answers Section 39
Everyday Science Questions & Answers Section 40
Everyday Science Questions & Answers Section 41
Everyday Science Questions & Answers Section 42

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