Chemistry Acid and Base

Which term refers to the amount of acid or base dissolved in a solution?

• concentrated or dilute

• strong or weak

• neutral or charged

• acid or base

What does Universal Indicator measure?

• the pH of a solution

• the color of an acid-base solution

• the strength of a neutral solution

What characteristic of a substance has to change in order for it to act as an indicator?

• concentration

• color

• temperature

• taste

William was conducting a science experiment and found that a certain substance had a pH less than 7. This substance is likely a(n) ______.

• Acid

• Alkaline

• Base

• Buffer

David was conducting a science experiment and found a substance with a pH greater than 7. This substance is a(n) _______.

• Base

• Acid

• Buffer

• Water

Mason and Abigail were conducting a science experiment. They were testing different solutions to see which one releases H+ in solution. Daniel suggested they test the following options. Which one should they choose?

• Base

• Acid

• Buffer

• Water

Tags

NGSS.MS-PS1-2

Maya was conducting a chemistry experiment in her school lab. She noticed that a substance she used was releasing OH- ions into the solution. What type of substance was Maya likely using?

• Acid

• Base

• Neutral

Anika, Samuel, and Grace were conducting a science experiment. They had lemon juice, hydrochloric acid, cabbage, and milk. According to the pH range, which substance did they find to be more acidic than lemon juice?

• Hydrochloric acid

• cabbage

• milk

• phosphoric acid

Tags

NGSS.MS-PS1-2

Samuel, Michael, and Henry are in a chemistry lab. Samuel has a strong acid and Michael has an equally strong base. What might happen if they mixed these two substances?

• There would be an explosive chemical reaction.

• The acid Samuel has would destroy the base Michael has.

• The base Michael has would destroy the acid Samuel has.

• They'd wind up with a pH-neutral substance.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Henry and Maya were doing a chemistry experiment. They mixed a chemical with water and it produced an H₃O. Benjamin asked them, what type of chemical did they use?

• Acid

• Base

Tags

NGSS.MS-PS1-2