Chemistry

1

The names of the scientists, Newlands, Mendeleev, and Meyer are associated with the development of

A. atomic structure
B. metallurgy
C. periodic table of contents
D. discovery of elements

2

The inert gases are ____ in water

A. sparingly soluble
B. insoluble
C. soluble
D. None of these

3

The method of concentrating the ore which makes use of the difference in density between ore and impurities is called

A. liquation
B. leaching
C. levigation
D. magnetic separation

4

The metal that is usually extracted from sea water is.

A. Ca
B. Na
C. K
D. Mg

5

The formula C6H5-CO-CH3 represents

A. Acetone
B. Acetic acid
C. Acetophenone
D. Phenyl acetate