Acids And Alkalis Flashcards
0
Q
What paper can be used as an indicator?
A
Litmus
1
Q
The pH of skin is slightly…
A
Acidic
2
Q
The acid in fizzy drinks tastes…
A
Sharp
3
Q
Acids are classified as…
A
Irritant or harmful
4
Q
To treat a wasps sting, add…
A
Weak acid
5
Q
Dangerous chemicals must have a…
A
Warning sign of symbol
6
Q
Name some substances that are always pH neutral?
A
Sugar water
Salt water
7
Q
Alkalis feel….
A
Soapy
8
Q
An example of a strong acid would be…
A
Stomach acid
9
Q
Litmus comes from __________ and is useful because…
A
Plants
It changes colour
10
Q
The ____ scale goes from 1( strong _____) to 14( strong _________)
A
pH
Acid
Alkali
11
Q
Fizzy drinks contain…
A
Acid
12
Q
To tell how strong/ weak an acid is we use…
A
Universal indicator
13
Q
Do sweeteners balance the taste of acid?
A
Yes
14
Q
Are concentrated acids weaker or stronger than diluted acids?
A
Stronger
