Acids/Alkalis/Indicators

Question 1

What colour is phenolphthalein go in an alkali?

Answer 1

Pink

Question 2

What indicator is colourless in an acid and pink in an alkali?

Answer 2

Phenolphthalein

Question 3

What is the term used to describe a substance with the pH of 7?

Answer 3

neutral

Question 4

Orange juice has a pH of 4. What term is used to describe orange juice?

Answer 4

acid

Question 5

What is the term used to describe an acid with a pH of 1-3?

Answer 5

Strong acid

Question 6

What term is used to describe an alkali with a pH of 12-14?

Answer 6

Strong Alkali

Question 7

What colour with universal indicator go in an acid?

Answer 7

red/orange

Question 8

What colour would universal indicator go in an alkali?

Answer 8

Purple/blue

Question 9

What indicator is used to identify an acid?

Answer 9

Litmus Blue

Question 10

What indicator is used to identify an alkali?

Answer 10

Litmus Red

Question 11

Why is universal indicator the most widely used indicator?

Answer 11

Because it shows the strength of an acid/alkali

Question 12

What is the term used to describe oven cleaner?

Answer 12

Alkali

Question 13

What term is used to describe toothpaste?

Answer 13

Alkali

Question 14

What term is used to describe Lemonade?

Answer 14

Acid