Acids and Alkalis

Revision Questions

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Acids
1 What is an Acid? Answer
2 How did Arrhenius define an Acid? Answer
3 How did Lowry and Brønsted define an Acid? Answer
4 According to Lowry and Brønsted, Is Water an Acid or a Base? Answer
5 Give one Example of a Strong Acid? Answer
6 What does Strong Acid mean? Answer
7 What does Weak Acid mean? Answer
8 Give one Example of a Weak Acid. Answer
9 What is the Difference between a Strong Acid and a Concentrated Acid? Answer
10 How can Magnesium show the Difference between a Strong and a Weak Acid? Answer
11 Do you get More Product from a Strong or a Weak Acid? Answer
12 Give one Property of an Acid. Answer
13 Give two types of Substance which will React with an Acid. Answer
14 Give one Use of an Acid. Answer


Sulfuric Acid - The Contact Process
15 Name two Raw Materials used to make Sulfuric Acid? Answer
16 Write the Balanced Equation for the reaction between Sulfur and Air. Answer
17 Write the Balanced Equation for the formation of Sulfur Trioxide. Answer
18 Which Catalyst is used for the formation of Sulfur Trioxide? Answer
19 What effect does Temperature have on the formation of Sulfur Trioxide? Answer
20 What effect does Pressure have on the formation of Sulfur Trioxide? Answer
21 How is Sulfur Trioxide turned into Sulfuric Acid? Answer
22 Give two Uses of Sulfuric Acid? Answer
23 What effect does Concentrated Sulfuric Acid have on Glucose? Answer


Alkalis
24 What is an Alkali? Answer
25 What is the Difference between an Alkali and a Base? Answer
26 Give one Example of a Base. Answer
27 Give one Example of a Strong Alkali. Answer
28 Give one Example of a Weak Alkali. Answer
29 Give one Property of an Alkali. Answer
30 Give one Use of an Alkali. Answer


pH
31 What does pH measure? Answer
32 What is the pH of a Strong Acid? Answer
33 What is the pH of a Strong Alkali? Answer
34 What is the pH of a Neutral Solution? Answer
35 What colour is Universal Indicator in a Weak Acid? Answer
36 What colour is Universal Indicator in a Strong Alkali? Answer
37 What colour is Universal Indicator in a Neutral Solution? Answer


Neutralisation and Salts
38 Give two types of Substance which will Neutralise an Acid. Answer
39 What happens when an Acid is Neutralised? Answer
40 Give the Equation for the Reaction of Hydrochloric Acid and Sodium Hydroxide. Answer
41 Which Acid and Alkali would you use to make Potassium Sulfate? Answer
42 What is the Ionic Equation for Neutralisation? Answer
43 Which Acid and Base would you use to make Copper(II) Chloride? Answer
44 How would you make Pure Crystals of Copper(II) Chloride? Answer
45 Which Acid and Carbonate would you use to make Copper Sulfate? Answer
46 How would you make Pure Crystals of Copper Sulfate? Answer
47 What is Precipitation? Answer
48 Give one Example of a Reaction which forms a Precipitate? Answer


Titration
49 What is a Titration used for? Answer
50 What is the End Point of a Titration? Answer
51 Which Indicator would you use in an Alkali? Answer
52 Which Indicator would you use in an Acid? Answer
53 Why is Universal Indicator not used? Answer
54 How do you make Salt Crystals that are Free from Indicator? Answer
55 What is a Burette? Answer
56 What is a Pipette used for? Answer
57 What is a Conductivity a measure of? Answer
58 What Graph would you draw to use Conductivity to find the End Point? Answer
59 What Graph would you draw to use the Amount of Heat to find the End Point? Answer

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