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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=1._How_many_atoms_of_carbon_(C)_are_in_C6H12O6?

Question 1 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=2._Which_of_the_following_shows_the_correct_way_to_balance_the_chemical_equation?_Fe_+_O2_->_Fe2O3

Question 2 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=3.Balance_this_equation:_HgO_-->_Hg_+_O2

Question 3 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=Mg_+____HCl_--->__MgCl2_+_H2

Question 4 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=5._Balance_this_equation._CF4_+__Br2_--__CBr4_+__F2

Question 5 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=6._Balance_this_equation__Al_+_HCl_-->__H2_+_AlCl3

Question 6 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=7._What_is_the_formula_for_Lithium_fluoride?

Question 7 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=8._What_is_the_formula_for_Beryllium_sulfide?

Question 8 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=9._Name_the_compound_BBr3?

Question 9 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=10._Name_the_compound_AlF3.

Question 10 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=11._Name_the_compound_N2O3.

Question 11 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=12._What_is_the_formula_for_Tetraphosphorous_Pentachloride?

Question 12 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=13._Name_the_compound_CP.

Question 13 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=14._What_type_of_chemical_reaction_is:_4Si_+_S8_-->_2Si2S4?

Question 14 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=15._What_type_of_chemical_reaction_is:_3Ca_+_2AlCl3_-->_3CaCl2_+_2Al?

Question 15 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=16._What_type_of_chemical_reaction_is:_3KOH_+_H3PO4_-->_K3PO4_+_3H2O?

Question 16 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=17._What_type_of_chemical_reaction_is:_2NO2_-->_N2_+_2O2

Question 17 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=18._Which_chemical_reaction_breaks_down_into_2_substances?

Question 18 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=19._A_+_B_=_AB

Question 19 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=20._Which_chemical_reaction_switches_2_elements?

Question 20 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=21._A_+_BC_=_B_+_AC

Question 21 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=22._What_kind_of_bond_forms_when_an_atom_give_away_an_electron?

Question 22 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=23._When_a_nonmetal_gains_electrons,_it_becomes_this_type_of_ion?

Question 23 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=24._All_elements_in_group_1_have_what_type_of_ion?

Question 24 (of 25)

 


Ms. Chee Wah Physical Science Chemistry : QR Challenge

https://www.classtools.net/QR/decode.php?text=25.What_kind_of_bond_forms_when_atoms_share_electrons?

Question 25 (of 25)