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