Answer
the following questions in English using any resource including the material
provided in class if necessary. Write the answer in the space below the question
or fill in the brackets.
1.
The properties of acids or bases are as follows.
( ) are sour.
( ) are bitter and slippery.
( ) always contain hydrogen.
( ) always contain hydroxyl, or
hydroxyl radical.
( ) are low in PH. (
) are high in PH.
( ) turn blue litmus paper red. ( ) turn red litmus paper blue.
( ) turn Methyl orange, another PH
indicator, red.
( ) react with metal and release
hydrogen.
( ) are used in cleaning. They can
also be used to make soap.
2.
Acid + Base → ( ) +
Water
If you mix acid and base,
they ( n ) each other and produce
( ) and water.
3.
Base is also known as ( a
).
4.
What are the charged particles in solutions? e.g. Na+, OH-, H+, Cl-
5.
What are the three most common acids?
6.
If you keep dissolving salt in a glass of water and the solution cannot
dissolve any more of the salt, you say the water is ( ).
7.
If you dissolve only a small amount of salt in a large bowl of water,
the solution is ( d ).
8.
What is the process in which some dissolved substance is brought out of the
solution as solid?
9.
What do you call the method by which you get pure liquid of some substance
using the nature of liquid, which vaporizes when heated, and that of vapor, which
turns liquid when cooled?
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