Chemistry GK in English Quiz 7

Chemistry GK in English Quiz 7 has 10 questions. For correct answer you will get 3 marks & for wrong answer -1 (minus 1) mark. After submitting Answer sheet, you can check right and wrong answers as well as your total marks.

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1. How many lone electron pairs are present in N2?

A.1

B.3

C.4

D.2

2. The organic compound used for silvering mirrors is

A.Acetal

B.Ethane

C.Ethyl alcohol

D.Acetaldehyde

3. Who discovered benzene?

A.Hal Anger

B.Michael Faraday

C.Bruce Ames

D.Nicolas Appert

4. Which of the following is true?

A.a mineral cannot be an ore

B.all minerals are ore

C.all ores cannot be minerals

D.all ores are minerals

5. Who discovered Sodium?

A.Humphry Davy

B.William Henry Fox

C.J.J.Thomson

D.Karl Benz

6. The passage of an electric current through a conducting liquid causes ___________.

A.Galvanisation

B.Evaporation

C.Physical Reaction

D.Chemical Reaction

7. Which of the following is Study of fossils ?

A.Ethology

B. Etiology

C.Anthropology

D.Palaeontology

8. In liquified petroleum gas,the gas leakages can be detected by using

A.butylene

B.mercaptans

C.butane

D.isobutane

9. What is the colour of oxygen in solid state?

A.Pale yellow

B.Pale blue

C.Light green

D.Greenish yellow

10. Atomic number of which of the following elements is greater than that of Calcium?

A.Chlorine

B.Argon

C.Sulphur

D.Scandium

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