Chapter 1 - Quizllc

The third abundant gas found in the atmosphere is?

A. Carbon monoxide
B. Oxygen
C. Nitrogen
D. Argon
View Answer

D. Argon

Which one of the following element is found in most abundance in the earth’s crust?

A. Oxygen
B. Aluminum
C. Silicon
D. Iron
View Answer

A. Oxygen

The most abundant element occurring in the oceans is?

A. Oxygen
B. Hydrogen
C. Nitrogen
D. Silicon
View Answer

A. Oxygen

Which one of the following can be separated by physical means?

A. Mixture
B. Element
C. Compound
D. Radical
View Answer

A. Mixture

Industrial chemistry deals with the manufacturing of compounds?

A. In the laboratory
B. On micro scale
C. On commercial scale
D. On economic scale
View Answer

C. On commercial scale

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