Chemistry Assessment #6 - Acids & Bases Lab (SNC2D/P)

As you watch the video (linked on GC and listed below), pause and toggle between the video and the quiz screen (or record in a chart, and then answer these questions.

Substance 1 - NaOH (Sodium hydroxide) - What is the pH?

Video Link: https://www.youtube.com/watch?v=3yfIHGlG6fE

Substance 1 - Was it an acid or a base?

Substance 2: HCl (hydrochloric acid) What is the pH? (Refer to the you tube video.)

Substance 2: Was it an acid or base?

• acid

• base

Substance 3: Vinegar - What is the pH?

Substance 3 - Vinegar - Is it an acid or base?

• acid

• base

Substance 4 - Baking soda - What is the pH?

Substance 4 - Baking Soda - What colour was the pH indicator for this weak base?

Substance 5 - Lemon Juice - What is the pH?

• 1-2

• 2-3

• 3-4

• 4-5

• 5-6

Substance 5 - lemon juice - What colour was the universal indicator pH paper?

• red

• orange

• yellow

• green

• blue