Acid and Bases Test Review

What is pH? What does the pH scale measure?

• Tells you how big a substance's molar mass is

• Tells you how many protons and electrons exist in each energy level

• Tells you how acidic or basic a substance is based on the amount of Hydrogen IONS, H+, present

• Tells you how acid or basic a substance is based on the amount of Hydrogen ATOMS, H₂, present

Sour taste, reacts with metals, pH below 7, and turns red with litmus paper describes a(n) --

• Acid

• Base

• Neutral

• Radioactive

Tags

NGSS.MS-PS1-2

Bitter taste, slippery feel, pH above 7, and turns blue with litmus paper describes a(n) --

• Acid

• Base

• Neutral

• Radioactive

Tags

NGSS.MS-PS1-2

Which of the following substances is an ACID?

• Orange Juice

• Baking Soda

• Hand Soap

• Water

Which of the following substances is a BASE?

• Apple Juice

• Coffee

• Baking Soda

• Water

Which pH indicator shows the full color range from red to violet? (ROYGBIV: red, orange, yellow=acids, green=neutral, and blue, indigo, violet=bases)

• Universal Indicator

• Phenolphthalein

• Methyl Orange

• Bromythol Blue

Water is neutral because the number of hydrogen ions [H+] and hydroxide ions [OH-] are --

• equal

• unbalanced

Which of the following is an acid?

• KOH

• Ba(OH)₂

• H₂SO₄

• CH₄

Which of the following is a base?

• Al(OH)₃

• CH₄

• C₆H₁₂O₆

• H₂SO₄

Calcium (Ca²⁺) combines with Hydroxide to form Ca(OH)₂

What is the name of this substance: Ca(OH)₂

• Calciumous Acid

• Calciumic Acid

• Calcium Hydroxide

• Hydrocalcium Hydroxide

Tags

NGSS.MS-PS1-1