Solutions Video with Questions

What percentage of the human body is made up of water?

• 60%

• 50%

• 70%

• 80%

Which molecule is known as a strong oxidizer used in bleaching?

• Acetic Acid

• Ethanol

• Sodium Hypochlorite

• Hydrogen Peroxide

What property of water decreases the attraction between ions of different charges?

• Polarity

• Dielectric property

• Electronegativity

• Molarity

Which substance is a weak electrolyte?

• Sodium Chloride

• Ammonium Hydroxide

• Hydrochloric Acid

• Sodium Hydroxide

What does the term 'molarity' refer to?

• Moisture content in air

• Strength of an acid or base

• Temperature stability of a solution

• Concentration of a solution

Water is polar

• True

• False

Water is good at dissolving ___ solutes because water is a ___ solvent

• polar; nonpolar

• nonpolar; polar

• polar; polar

• nonpolar; nonpolar

What type of solution can conduct electricity?

• A high temperature solution

• An electronic solution

• A saturated solution

• An electrolyte solution

Pure water does conduct electricity.

• True

• False

A positive ion (such as Na+) is called ___.

• an anion

• a cation