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20 Questions

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Chemistry Chapter on Acids and Bases

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Questions and Answers

Which of the following is NOT a property of acids?

Turns blue litmus paper red

Reacts strongly with metals

Feels slippery to the touch (correct)

Tastes sour

What defines a base in terms of ion concentration?

Excess of $H^+$ ions

Equal concentrations of $H^+$ and $OH^-$ ions

Absence of both $H^+$ and $OH^-$ ions

Excess of $OH^-$ ions (correct)

Which of the following substances contains acetic acid?

Carbonated drinks

Lemon juice

Vitamin C

Vinegar (correct)

Which property is shared by both acids and bases?

Conduct electricity Signup and view all the answers

Which of the following statements about bases is false?

Bases react with metals Signup and view all the answers

What type of bond holds the water molecule together?

Covalent bonds Signup and view all the answers

What percentage of Earth's water is freshwater?

2% Signup and view all the answers

Which of the following describes water's ability to move within a space due to adhesion and cohesion?

Capillary action Signup and view all the answers

What is a unique property of water that allows it to dissolve many substances?

Universal solvent Signup and view all the answers

What percentage of the Earth's freshwater is found in ice?

87% Signup and view all the answers

What type of solutions does a pH greater than 7 indicate?

Strongly basic solutions Signup and view all the answers

Which substance is commonly known for providing OH⁻ ions that interact with dirt and grease?

Soap Signup and view all the answers

Which of the following statements about blood is correct?

Blood is a basic solution. Signup and view all the answers

Which of the following cleaning products is known to contain bases?

Dish soap Signup and view all the answers

On the pH scale, what does a pH level of 7 represent?

Neutral solutions Signup and view all the answers

What are the three natural states of matter in which water can be found?

Solid, liquid, and gas Signup and view all the answers

At what temperature does water normally freeze into a solid state?

0°C or 32°F Signup and view all the answers

What process requires a high input of heat due to the breaking of hydrogen bonds in water?

Vaporization Signup and view all the answers

Which of the following describes the state of water at a boiling point close to 100°C?

Water is primarily in a gaseous form Signup and view all the answers

Which characteristic is essential for water to freeze 100% solid?

It is the only liquid with that property Signup and view all the answers