Acid And Alkalis Y8 C

Question 1

How many numbers in the ph scale?

Answer 1

14

Question 2

What numbers are neutral on the ph scale?

Answer 2

7 is the most neutral but 6 is very weekly acidic and 8 is very weekly alkaline. All the numbers a shade of green

Question 3

What colours are alkali and acid?

Answer 3

Acid is red/ orange, alkaline is purple/blue

Question 4

What numbers are acid and alkaline on the ph scale?

Answer 4

Acid is 0-7 (0 being the most acidic) alkaline is 7-14(14 being the most acidic

Question 5

What neutralises a acid?

Answer 5

And alkaline

Question 6

What neutralises alkaline

Answer 6

An acid

Question 7

List some examples of acids that we have in our home?

Answer 7

Lemon 🍋, vinegar, coke, coffee.

Question 8

Describe two acids that may be used to make fertilisers.

Answer 8

Sulphuric acid, hydrochloric acid.

Question 9

Suggest what taste acids in common

Answer 9

Quite sour.

Question 10

Why do you use diluted acid in schools?

Answer 10

If you spillage acid on your hands, it will only be irritated 😣 because there are fewer acid particles.

Question 11

What precautions should you take when working with acids?

Answer 11

Wear gloves 🧤,tie your hair back and wear goggles 🥽

Question 12

Why are more concentrated acids more harmful?

Answer 12

There more harmful because the particles are more close together.

Question 13

Name some alkaline cleaning products

Answer 13

Soap 🧼 , disinfect, oven cleaner

Question 14

Name two alkalis that are safe to put In your mouth and two that are not.

Answer 14

Bleach and oven cleaner are not safe, toothpaste and baking powder is safe

Question 15

How would life change if there were no alkaline?

Answer 15

You wouldn’t be able to wash