Chemistry Semester Assessment

Front

What should be done with all chemical wastes after an experiment?

Back

Disposed of according to teacher's directions.

Front

In what type of solution is water always the solvent?

Back

Aqueous solution.

Front

What is the name of the compound Sc(OH)3?

Back

Scandium (III) hydroxide.

Front

What process involves high temperature where chemical reactions take place?

Back

Pyrometallurgy.

Front

Is solubility a chemical or physical property?

Back

Physical Property.

Front

What is the definition of an aqueous solution?

Back

A solution in which water is the solvent.

Front

What is the difference between homogeneous and heterogeneous mixtures?

Back

Homogeneous mixtures have a uniform composition, while heterogeneous mixtures do not.

Front

What is the significance of the Roman numeral in Scandium (III) hydroxide?

Back

It indicates the oxidation state of the Scandium ion, which is +3.

Front

What is hydrometallurgy?

Back

A method for extracting metals from ores using aqueous solutions.

Front

Define pyrometallurgy.

Back

A process that involves the extraction of metals from their ores at high temperatures.