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Water - Solubility - Ions

Revision Questions

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Water
1 Give two uses of Water. Answer
2 How is Water made Safe to Drink? Answer
3 How can you show that Water is Hard? Answer
4 Which Ions make Water Hard? Answer
5 What is Temporary Hardness? Answer
6 What is an Ion Exchange Column? Answer
7 Give one Advantage of Hard Water. Answer
8 Give one Disadvantage of Hard Water. Answer

 

The Sea
9 Why is the Sea Salty? Answer
10 How is Sea Salt made? Answer
11 Give one use of Sea Salt. Answer
12 Which Element is used to Extract Bromine? Answer
13 Give the Ionic Equation for the Extraction of Bromine. Answer

 

Water - Solubility
14 What is Solubility? Answer
15 When is a Solution called Saturated? Answer
16 Will an Increase in Temperature allow More Solid to Dissolve? Answer
17 Will an Increase in Temperature allow More Gas to Dissolve? Answer
18 Will an Increase in Pressure allow More Gas to Dissolve? Answer
19 Give two Compounds which are Soluble in Water. Answer
20 Give two Compounds which are Insoluble in Water. Answer
21 Which Gas is used to make Fizzy Drinks? Answer

 

Tests for Ions
22 Are Non-Metal Ions Negative or Positive? Answer
23 How do you do a Flame Test? Answer
24 What is the Flame Colour for Calcium? Answer
25 What is the Flame Colour for Potassium? Answer
26 What is the Test for Aluminium? Answer
27 Give the Ionic Equation for the Test for Aluminium. Answer
28 What is the Test for Iron? Answer
29 Give the Symbol Equation for the Test for Iron(II) Ions. Answer
30 What is the Test for Zinc Carbonate? Answer
31 What is the Test for a Sulfate? Answer
32 What is the Test for a Chloride? Answer
33 What is the Test for a Nitrate? Answer

 

Instrumental Methods
34 Give one Instrumental Method which is used to Identify Elements. Answer
35 Give one Instrumental Method which is used to Identify Compounds. Answer
36 What is an Absorption Spectrum? Answer
37 How does a Spectrum show Concentration? Answer
38 How is a Computer used to Identify a Compound? Answer
39 What is an Emission Spectrum? Answer
40 What is Retention Time? Answer
41 What Instrument can give you the Relative Molecular Mass? Answer

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