Acids and Alkalis

Question 1

What pH can an alkali be

Answer 1

8-14

Question 2

What pH can an acid be

Answer 2

1-6

Question 3

What pH is neutral

Answer 3

7

Question 4

What do you use to find out the pH of a chemical

Answer 4

An Indicator

Question 5

How many types of indicator are there

Answer 5

4

Question 6

What are all the types of indicator

Answer 6

universal indicators, natural indicators, litmus paper and pH metres

Question 7

What colour would the universal indicator turn in water

Answer 7

Green

Water is neutral and it turns green in water

Question 8

What colour would the litmus paper turn if you put it in an acid

Answer 8

Red

Question 9

If the litmus paper is blue what type of chemical is it in

Answer 9

An Alkali

Question 10

What is produced after something is neutralised

Answer 10

Water and Salt

Question 11

Is vinegar an acid or alkali

Answer 11

Acid

Question 12

What colour would the universal indicator turn in hydrochloric acid

Answer 12

Red

Hydrochloric acid is a strong acid so the univeral indicator turns red

Question 13

What does an indicator do

Answer 13

Lets you know if a chemical is an acid or an alkali (some can tell you the pH)