Physics- Acids And Bases Flashcards Preview

Grade 9 November Exams > Physics- Acids And Bases > Flashcards

Flashcards in Physics- Acids And Bases Deck (16):
1

pH scales ranges

From 1 to 14

2

Can only test pH of bases

In water

3

Acids

1-6.9

4

Neutral

7

5

Bases/alkalis

7.1-14

6

Universal indicator 4

Red

7

5

Orange

8

6

Yellow

9

7

Light green

10

8

Dark green

11

9

Blue

12

10

Purple

13

pH indicators

Bromothymol blue- yellow, green, blue
Red litmus paper- red, red, blue
Blue litmus paper- red, blue, blue

14

Equation

Acid + base -> neutralization reaction

15

Base reacts with acid

Solution becomes less acidic
I.e. Neutral

16

Acid reacts with base

Solution becomes less basic
I.e. Neutral

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