Join Us ::

Menu Home Classes GK Engineering Past Papers Current Affairs Technical GAT Subject Programming Medical Papers

Chemistry Questions And Answers.

Home » Classes » Matriculation » Chemistry » Levels

Exercise :: Chemistry
1.Industrial chemistry deals with the manufacturing of compounds:
A. in the laboratory
B. on micro scale
C. on commercial scale
D. on economic scale
2.Which one of the following can be separated by physical means?
A. Mixture
B. Element
C. Compound
D. radical
3.The most abundant element occurring in the oceans is:
A. Oxygen
B. Hydrogen
C. Nitrogen
D. silicon
4.The third abundant gas found in the atmosphere is:
A. carbon monoxide
B. oxygen
C. nitrogen
D. argon
5.One amu (atomic mass unit) is equivalent.to:
A. 1.66 10"%*mg =
B. 1.66 �10748
C. --1.66 x 107!
D. -1.66.* 10-3