Words Of Foreign Origin
___ substances taste sour. Some examples are curd, lemon juice, tamarind
Acidic and Basic
___substances taste bitter and feel slippery to the touch
Acidic substances taste bitter and feel slippery to the touch
The substances that are used to test whether something is acidic or basic
is a natural dye extracted from lichens. It is the most commonly used natural indicator
Turmeric changes colour to indicate acidic and basic substances. It is
in acids and
in basic solutions.
A solution of china rose turns green in a basic solution, and bright pink or magenta in an acidic solution.
China rose is rain that contains a lot of acid. This acid is created when pollutants in the air, such as carbon dioxide, sulphur dioxide and nitrogen dioxide, dissolve in rainwater, and form acids like carbonic acid, sulphuric acid and nitric acid.
Acid rain changes colour to indicate acidic and basic substances. It is yellow in acids and red in basic solutions.
Many substances that you encounter in your daily life have different properties. One major difference between substances is whether they are
Cite this Simulator:
aven.amritalearning.com,. (2013). Indicators. Retrieved 22 April 2019, from aven.amritalearning.com/?sub=100&brch=294&sim=1470&cnt=3380
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