Acids, Bases and the PH Scale Flashcards

1

What happens when you place Blue Litmus paper into Lemon Juice?

It turns Blue
It turns Green
It turns Red
It stays the same colour

2

Why can boiled cabbage be used in these experiments?

Because it's the same kind of colours
Why not
Because it's a vegetable
Because it's the same type as Litmus paper

3

What does the Number 7 mean on the PH Scale?

It's a Base
It's just another number
It's an Acid
It's Neutral

4

What happens when you place Blue Litmus paper into milk?

It turns green
It turns red
NOTHING!?

5

Where exactly does a Base sit on the PH Scale?

Below 7
Below 14
Above 7
Above 1

6

What's the best way to describe an Acid?

An Acid is Sweet
An Acid is Slippery
An Acid is Foamy
An Acid is Sour

7

What is "Base" short for?

Based
Base-Jumping
Basic
Baseball

8

What is the best way to describe a Base?

A Base is Bitter
Where the Army lives
A Base is Sour
A Base is Slippery

9

Where would a lemon sit on the PH Scale

Between 0 to 7
Right in the middle
Between 7-14
Nowhere

10

What is Universal Indicator Paper used for?

If you've ran out of Litmus paper
To make different pretty colours
To show if something is an acid or a base
To show how acidic or basic something is

11

How much have you learnt?

NOTHING!?
A little bit
Quite a lot
All of it!!

12

What is an example of an Acid?

Toothpaste
Lemon
Milk
Baking Soda

13

What is an example of a Base?

Lemon Juice
Army
Vinegar
Baking Soda

14

Why does Litmus change colour?

Because it gets wet
It's just magic
It's coated in plant juice
It's coated in an acid

15

Where does an Acid sit on the PH Scale?

Above 7
Below 7
7
3

Acids, Bases and the PH Scale

Questions 15

Acids, Bases and the PH Scale

Questions 15