Universal indicator colours

Question 1

How does the universla indicatoe show acidity or alkalinity?

Answer 1

It changes colour depending on the pH

Question 2

What colour does the universal indicator turn in a strong acid?

Answer 2

Red

Question 3

What colour does the universal indicator turn in a subtance with pH of 4 or 5

Answer 3

Orange

Question 4

What colour does a U.I turn if a substance pH is 6

Answer 4

yellow

Question 5

What is the u.i colour of a neutral substance

Answer 5

light green

Question 6

What is the u.i of a substance that pH is 8

Answer 6

dark green

Question 7

What is the u.i of a substance that pH is 9

Answer 7

blueish-green

Question 8

What is the U.I of a substance whose pH is 10

Answer 8

grey-ish blue

Question 9

What is the ui of a substance whose ph is 11-14

Answer 9

purple

Question 10

Why is a universal indicator efficent to use?

Answer 10

A universal indicator is efficient because it shows different colours across the whole pH scale, telling you how strong an acid or alkali is.