Acids and Bases

Front

Identify the acids and bases from the following data:
Liquid 1: pH 6
Liquid 2: pH 3
Liquid 3: pH 12
Pure water: pH 7

Back

Liquid 3 is a base; Liquid 2 is an acid.

Front

How does citric acid affect a drink?

Back

It could add a sour flavor to the drink.

Front

Sofia needs to lower the pH of a solution to be closer to 5. She has droppers with pure water, concentrated acid, and concentrated base. How can she lower the pH?

Back

Add drops of the concentrated acid to the beaker.

Front

What test can the students perform to correctly and safely identify acids and bases?

Back

Litmus test

Front

What should Azami's mom add to her tomato juice to make it less acidic and more neutral? Options: Milk, Lemon juice

Back

Milk

Front

The pH scale is used to measure how acidic or basic something is. A pH value lower than 7 indicates a substance is ________, while a pH value higher than 7 is considered ________. Pure water is considered ________, with a pH of ________.

Back

acidic; basic; neutral; 7

Front

Which is an acid? Options: Turns blue litmus red, Turns red litmus blue, Has a pH of 11, Has a pH of 7

Back

Turns blue litmus red

Tags

NGSS.MS-PS1-2

Front

Acid or base?

Back

Base

Tags

NGSS.MS-PS1-2

Front

Which of the following is an acid? Options: vinegar, bleach, sugar in water, starch in water, toothpaste in water

Back

vinegar

Front

Acid or base?

Back

Base

Tags

NGSS.MS-PS1-2