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Froggy Jumps
Froggy Jumps

Redox and oxidation numbers: Rules for assigning oxidation numbers. Writing and balancing redox equation (Lowersixth science chemistry )

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Redox and oxidation numbers: Rules for assigning oxidation numbers. Writing and balancing redox equation (Lowersixth science chemistry )
 

Froggy Jumps

Redox and oxidation numbers: Rules for assigning oxidation numbers. Writing and balancing redox equation (Lowersixth science chemistry )Online version

Test your knowledge of redox reactions!

by YAKILI LMS
1

What is the process of losing electrons called?

2

In a redox reaction, what does reduction mean?

3

Which element is oxidized in the reaction: Fe → Fe²⁺?

4

What is the term for a substance that causes oxidation?

5

Which element is reduced in the reaction: Cl₂ + 2e⁻ → 2Cl⁻?

6

What is the process of gaining electrons called?

7

In a redox reaction, what does oxidation mean?

8

Which of these is a common reducing agent?

9

What is the main purpose of redox reactions in batteries?

10

Which element is oxidized in the reaction: Cu → Cu²⁺?

11

What is the first step in balancing a redox equation?

12

In a redox reaction, what does oxidation mean?

13

What is the purpose of balancing electrons in redox equations?

14

Which element is oxidized in the reaction: Fe → Fe³⁺?

15

What is reduced in the reaction: Cu²⁺ + 2e⁻ → Cu?

16

What do you add to balance oxygen atoms in a redox reaction?

17

Which of these is a common reducing agent?

18

What is the oxidation state of oxygen in most compounds?

19

What does balancing a redox equation ensure?

20

In the reaction: Zn + 2H⁺ → Zn²⁺ + H₂, what is being reduced?

21

What is a redox titration used to determine?

22

Which titration involves the transfer of electrons?

23

What is an example of a common redox titrant?

24

Which type of titration uses iodine as a titrant?

25

In a redox titration, what indicates the endpoint?

26

Which titration involves the reduction of permanganate?

27

What is a common reducing agent in redox titrations?

28

Which titration is used to analyze iron content?

29

What color does potassium permanganate turn after reduction?

30

Which of the following is a type of redox titration?

31

What is the main purpose of a redox titration?

32

In a redox titration, what does the term 'oxidizing agent' refer to?

33

Which indicator is commonly used in redox titrations?

34

What is the typical color change in iodine titration?

35

Which substance is often used as a reducing agent in redox titrations?

36

What does the equivalence point indicate in a titration?

37

In a redox titration, what is being measured?

38

Which of these is a common oxidizing agent in titrations?

39

What is the role of the titrant in a titration?

40

Why is it important to record the titrant volume accurately?

41

What is the main purpose of titration in chemistry?

42

Which titration uses a burette to add titrant?

43

What is the endpoint in a titration?

44

Which indicator is commonly used in acid-base titrations?

45

What is the formula to calculate molarity in titration?

46

In titration calculations, what does V represent?

47

What is a common titration method for acids and bases?

48

Which solution is added slowly during titration?

49

What is the typical indicator color change in a strong acid-strong base titration?

50

How do you find the concentration of an unknown solution?

 
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