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QR Challenge: Ms. Chee Wah Physical Science Chemistry

Created using the ClassTools QR Treasure Hunt Generator

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Teacher Notes

A. Prior to the lesson:

1. Arrange students into groups. Each group needs at least ONE person who has a mobile device.

2. If their phone camera doesn't automatically detect and decode QR codes, ask students to

3. Print out the QR codes.

4. Cut them out and place them around your class / school.

B. The lesson:

1. Give each group a clipboard and a piece of paper so they can write down the decoded questions and their answers to them.

2. Explain to the students that the codes are hidden around the school. Each team will get ONE point for each question they correctly decode and copy down onto their sheet, and a further TWO points if they can then provide the correct answer and write this down underneath the question.

3. Away they go! The winner is the first team to return with the most correct answers in the time available. This could be within a lesson, or during a lunchbreak, or even over several days!

C. TIPS / OTHER IDEAS

4. A detailed case study in how to set up a successful QR Scavenger Hunt using this tool can be found here.

Questions / Answers (teacher reference)

Question

Answer

1. 1. How many atoms of carbon (C) are in C6H12O6?6
2. 2. Which of the following shows the correct way to balance the chemical equation? Fe + O2 -> Fe2O32 Fe + 3O2 -> Fe2O6
3. 3.Balance this equation: HgO --> Hg + O22HgO --> Hg + O2
4. Mg + __HCl ---> MgCl2 + H22
5. 5. Balance this equation._CF4 + _Br2 -- _CBr4 + _F21,2,1,2
6. 6. Balance this equation _Al +_HCl --> _H2 +_AlCl32, 6, 3, 2
7. 7. What is the formula for Lithium fluoride?LiF
8. 8. What is the formula for Beryllium sulfide?BeS
9. 9. Name the compound BBr3?boron tribromide
10. 10. Name the compound AlF3.Aluminum fluoride
11. 11. Name the compound N2O3.dinitrogen trioxide
12. 12. What is the formula for Tetraphosphorous Pentachloride?P4Cl5
13. 13. Name the compound CP.carbon monophosphide
14. 14. What type of chemical reaction is: 4Si + S8 --> 2Si2S4?synthesis
15. 15. What type of chemical reaction is: 3Ca + 2AlCl3 --> 3CaCl2 + 2Al?single displacement
16. 16. What type of chemical reaction is: 3KOH + H3PO4 --> K3PO4 + 3H2O?double displacement
17. 17. What type of chemical reaction is: 2NO2 --> N2 + 2O2decomposition
18. 18. Which chemical reaction breaks down into 2 substances?decomposition
19. 19. A + B = ABsynthesis
20. 20. Which chemical reaction switches 2 elements?double replacement
21. 21. A + BC = B + ACsingle displacement
22. 22. What kind of bond forms when an atom give away an electron?ionic bond
23. 23. When a nonmetal gains electrons, it becomes this type of ion?anion
24. 24. All elements in group 1 have what type of ion?1+
25. 25.What kind of bond forms when atoms share electrons?covalent bond

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=Ms. Chee Wah Physical Science Chemistry
Q1/25:

1. How many atoms of carbon (C) are in C6H12O6?&choe=UTF-8

Question 1 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=Ms. Chee Wah Physical Science Chemistry
Q2/25:

2. Which of the following shows the correct way to balance the chemical equation? Fe + O2 -> Fe2O3&choe=UTF-8

Question 2 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=Ms. Chee Wah Physical Science Chemistry
Q3/25:

3.Balance this equation: HgO --> Hg + O2&choe=UTF-8

Question 3 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=Ms. Chee Wah Physical Science Chemistry
Q4/25:

Mg + __HCl ---> MgCl2 + H2&choe=UTF-8

Question 4 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=Ms. Chee Wah Physical Science Chemistry
Q5/25:

5. Balance this equation._CF4 + _Br2 -- _CBr4 + _F2&choe=UTF-8

Question 5 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=Ms. Chee Wah Physical Science Chemistry
Q6/25:

6. Balance this equation _Al +_HCl --> _H2 +_AlCl3&choe=UTF-8

Question 6 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=Ms. Chee Wah Physical Science Chemistry
Q7/25:

7. What is the formula for Lithium fluoride?&choe=UTF-8

Question 7 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=Ms. Chee Wah Physical Science Chemistry
Q8/25:

8. What is the formula for Beryllium sulfide?&choe=UTF-8

Question 8 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=Ms. Chee Wah Physical Science Chemistry
Q9/25:

9. Name the compound BBr3?&choe=UTF-8

Question 9 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=Ms. Chee Wah Physical Science Chemistry
Q10/25:

10. Name the compound AlF3.&choe=UTF-8

Question 10 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=Ms. Chee Wah Physical Science Chemistry
Q11/25:

11. Name the compound N2O3.&choe=UTF-8

Question 11 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=Ms. Chee Wah Physical Science Chemistry
Q12/25:

12. What is the formula for Tetraphosphorous Pentachloride?&choe=UTF-8

Question 12 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=Ms. Chee Wah Physical Science Chemistry
Q13/25:

13. Name the compound CP.&choe=UTF-8

Question 13 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=Ms. Chee Wah Physical Science Chemistry
Q14/25:

14. What type of chemical reaction is: 4Si + S8 --> 2Si2S4?&choe=UTF-8

Question 14 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=Ms. Chee Wah Physical Science Chemistry
Q15/25:

15. What type of chemical reaction is: 3Ca + 2AlCl3 --> 3CaCl2 + 2Al?&choe=UTF-8

Question 15 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=Ms. Chee Wah Physical Science Chemistry
Q16/25:

16. What type of chemical reaction is: 3KOH + H3PO4 --> K3PO4 + 3H2O?&choe=UTF-8

Question 16 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=Ms. Chee Wah Physical Science Chemistry
Q17/25:

17. What type of chemical reaction is: 2NO2 --> N2 + 2O2&choe=UTF-8

Question 17 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=Ms. Chee Wah Physical Science Chemistry
Q18/25:

18. Which chemical reaction breaks down into 2 substances?&choe=UTF-8

Question 18 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=Ms. Chee Wah Physical Science Chemistry
Q19/25:

19. A + B = AB&choe=UTF-8

Question 19 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=Ms. Chee Wah Physical Science Chemistry
Q20/25:

20. Which chemical reaction switches 2 elements?&choe=UTF-8

Question 20 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=Ms. Chee Wah Physical Science Chemistry
Q21/25:

21. A + BC = B + AC&choe=UTF-8

Question 21 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=Ms. Chee Wah Physical Science Chemistry
Q22/25:

22. What kind of bond forms when an atom give away an electron?&choe=UTF-8

Question 22 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=Ms. Chee Wah Physical Science Chemistry
Q23/25:

23. When a nonmetal gains electrons, it becomes this type of ion?&choe=UTF-8

Question 23 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=Ms. Chee Wah Physical Science Chemistry
Q24/25:

24. All elements in group 1 have what type of ion?&choe=UTF-8

Question 24 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=Ms. Chee Wah Physical Science Chemistry
Q25/25:

25.What kind of bond forms when atoms share electrons?&choe=UTF-8

Question 25 (of 25)