Science: Acid and Alkali

Examples of everyday acids are

• Orange

• Sulphuric acid

• Car battery

• Lemon

Fizzy drinks and __________________ both contain _________ acid. (Please put a comma in between your two answers)

Alkali could also be known as

• Acid

• Weak acid

• Base

• Maze

Tags

NGSS.MS-PS1-5

Types of Alkalis are

• Toothpaste

• Soap

• Lemon

• Oven cleaner

• carbonic acid

Which indicator measures the strength of the acids or alkali?

• litmus paper

• pH scale

• phenolphthalein

• red cabbage juice.

Which colour in the indicator means neutral?

• Blue

• Green

• Yellow

• Red

What is the pH scale?

• A method for measuring the protons in a solution

• A measurement of how acidic or basic a liquid is

• A special microscope used to look at acids

• All of the above

What measurement of the pH scale is considered a neutral liquid?

• 0

• 3

• 7

• 13

• 9

What measurement of the pH scale is considered a strong alkali liquid?

• 5

• 1

• 12

• 16

• 14

What measurement of the pH scale is considered a weak acid liquid?

• 1

• 8

• 5

• 12