acids and bases

Multiple Choice

What is a positive ion called?

• anion

• cation

• isotope

• covalent

Multiple Choice

What is a negative ion called?

• anion

• cation

• covalent

• isotope

Multiple Choice

If an atom loses electrons, the charge will be positive.

• true

• false

Multiple Choice

Releases hydrogen in an aqueous solution.

• base
• strong base
• acid
• weak base

Multiple Choice

A proton or H⁺ (hydrogen ion) reacts with water to form a

• hydroxide ion OH^-

• hydronium ion H₃O⁺

• carbonate ion CO₃^2-

Multiple Choice

What is a base?

• A substance that produces H+ ion in water

• A substance that produces OH- ion in water.

• A substance that produces OH+ ion in water

• A substance that produces H- ion in water.

Multiple Choice

Which is the correct set of acid properties?

• sour taste, reacts with metals, change litmus paper blue

• sour taste, reacts with metals, change litmus paper red

• bitter taste, slippery, change litmus paper red

• sour taste, slippery, change litmus paper red

Multiple Select

Which of the following are properties of acids?

• Acids taste bitter.

• Acids taste sour.

• Acids feel slippery.

• Acids conduct electricity

• Acids turns litmus paper red.

Multiple Choice

What completely ionizes in solution?

• Weak acids

• Strong acids

• Strong Salts

• Neutral salts

Multiple Select

Which of the following are properties of bases? (choose all that apply)

• taste bitter.

• taste sour.

• feel slippery

• react with metals

• have a pH of more than 7.

Multiple Choice

Soap is a(n)

• acid

• base

• an acid and a base

Multiple Choice

What does pH measure?

• Amount of Oxygen Ions
• Amount of Hydrogen Ions
• The amount of salt in a solution
• The density

Multiple Choice

Has a pH less than 7

• acid

• base

• both an acid and a base

Multiple Choice

Has a pH more than 7

• acid

• base

• both an acid and a base

Multiple Choice

An organic substance that changes color in the presence of an acid or base

• indicator

• inhibitor

• catalyst

• universal solvent

Multiple Choice

This image represents

• neutralization reaction

• synthesis

• decompostion

• single displacement

Multiple Choice

acid + base ₋>

• salt + hydrogen
• salt + water
• salt + carbon dioxide + water

Multiple Choice

Why do we perform a titration?

• To determine the concentration of an unknown solution

• To see if a reaction will occur between an acid and base

• To calculate the viscosity of the solution

Multiple Choice

Which point on the titration curve corresponds to the point at which the moles of the added strong base are equal to the moles of the weak acid initially present?

• Q

• R

• T

Multiple Choice

What allows us to know when the end point has been reached?

• Bubbles

• Feels warm

• indicator changing color

• Turns to a solid

Match

Match up the amount of titrant to the pH

• pH 13
• pH 7

• pH 3

0 volume added

25ml volume added

50ml volume added

• 0 volume added

• 25ml volume added

• 50ml volume added

Multiple Choice

What is this piece of apparatus called

• Pipette

• Burette

• Janette