Quiz

1.      What is Chemistry?

2.      What do Scientiscs think is made of chemistry?

3.      What is a solution?

4.      Are the solutions homogenous or heterogenous?

5.      What can a solution contain?

6.      Can something change a solution?

7.      What are the differences between gases and liquids molacules?

8.      What is a solute?

9.      What is a solvent?

10.  How many different types of  States of matter are there?

11.  What is a mixture?

12.  What do pure water contain?

13.   How can we separate a mixtuer of salty water?

14.  How can you tell that the sugar is allready saturated?

15.  Say 2 ways that make sugar or salt dissolve faster?

16.  How can we mesure the intense of an alkali or an acid?

17.  What is 7 in the PH scale mean?

18.  Is our skin acid? TRUE or FALSE

19.  What is an indicator?

20.  What colour will litmus have when we mix it with a neutral substance?