Acids and alkalis: what are they? Flashcards by Vishnu Reddy | Brainscape

Q

What is an acid?

A

A substance that turns litmus red and has a pH of less than 7.

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is an alkali?

A

A substance that turns litmus blue and has a pH more than 7.

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is a pH?

A

A pH scale is a scale from 1 to 14 showing how acidic or alkaline a substance is.

How well did you know this?

1

Not at all

2

3

4

5

Perfectly