Acid And Alkali

Question 1

What happens when we add an acid to an Alkali?

Answer 1

It becomes neutral!

Question 2

What do you use to get rid of a wasp sting?

Answer 2

Vinegar

Question 3

What about indigestion?

Answer 3

Antacid tablets

Question 4

Tooth decay?

Answer 4

Toothpaste

Question 5

Nettle sting?

Answer 5

Soap and water

Question 6

What should you do if acid rain polluted rivers and lakes?

Answer 6

Calcium carbonate!

Question 7

Gas that makes acid rain?

Answer 7

Still calcium carbonate.

Question 8

Weak acids taste…

Answer 8

…sour

Question 9

Strong acids can be…

Answer 9

…corrosive

Question 10

Acids turn blue litmus paper…

Answer 10

…red

Question 11

Acids have a pH scale of ** than…

Answer 11

**less

…seven

Question 12

Acids can be…with Alkali

Answer 12

…neutralised

Question 13

Alkali feels…

Answer 13

…soapy

Question 14

Strong alkalis are…

Answer 14

Corrosive

Question 15

Alkalis turn red litmus paper…

Answer 15

…Blue

Question 16

Alkalis have a pH of ** than…

Answer 16

**more

…seven

Question 17

Alkalis can be…with acids

Answer 17

…Neutralised

Question 18

What is the colour of red cabbage indicator when placed in vinegar?

Answer 18

Red

Question 19

Why is universal indicator a better indicator to use than litmus indicator?

Answer 19

Universal indicator gives the pH of the solution.

Question 20

What colour does hydrochloric acid turn universal indicator?

Answer 20

Red