SNC 2DI Lab Exam Review
Chemistry:
1. What is the formula for the compound sodium sulfate?
(b) Na2S
(a) SSO4
(c) NaS2
(d) NaSO4
(c) phosphate carbide
(d) phosphorus carbide
2. What is the name of the compound PCl3?
(a) phosphorus chloride
(b) potassium carbide
3. What type of reaction occurs between magnesium (Mg) and hydrochloric acid (HCl(aq) )?
(a) synthesis
(b) single displacement
(c) double displacement
(d) combustion
(c) single displacement
(d) decomposition
4. What type of reaction occurs between sodium (Na) and chlorine (Cl2)?
(a) synthesis
(b) combustion
5. What chemical equation is correct?
(a) Na2SO4 + Mg(OH)2  NaOH + Mg(OH)2
(b) Na2SO4 + Mg(OH)2  NaOH + MgSO4
(c) Na2SO4 + Mg(OH)2  NaOH + Mg(SO4)2
(d) Na2SO4 + Mg(OH)2  Na2SO4 + Mg(OH)2
6. Name the following ionic compounds
(a) NaBr _________________________
(d) Ca(NO3)2 ______________________________
(b) MgI2 _________________________________
(e) K2SO4 _________________________________
(c) Fe3P2 _____________________________
(f) CuCl2 _________________________________
7. Write the formulas for the following ionic compounds.
(a) lithium phosphate _____________________
(d) magnesium iodide ________________________
(b) calcium carbonate _____________________
(e) aluminum bromide _______________________
(c) lead (IV) nitride _______________________
(f) ammonium chloride _______________________
8. Write the corresponding name or formula for the following molecular compounds.
(d) carbon monoxide ____________
(a) dinitrogen hexafluoride _____________
(e) disulfur tetrabromide __________
(b) phosphorus trichloride _____________
(f) nitrogen pentoxide _________
(c) carbon disulfide ___________
9. Write the name or formula of each acid
(a) hydrochloric acid ___________________
(d) HClO3 (aq) ___________________________________
(b) phosphoric acid ____________________
(e) H2S (aq) ____________________________________
(c) nitric acid ________________
(f) H2CO3 (aq) __________________________________
10. Predict the products in the following reactions.
(a)
Br2 +
KI 
_____________________________
(b)
Na +
O2 
____________________________
(c)
LiOH +
Mg3(PO4)2 
(d) CH4 + O2  ________________________________
(e) calcium chloride + aluminum  _________________________
(f) hydrobromic acid + calcium hydroxide  _________________________
________________________
11. (a) Identify each of the following reactions as a synthesis, decomposition, single displacement, double displacement , combustion or
neutralization reaction.
(b) Write the correct chemical equation for each of the equations.
(c) Balance each of the equations.
(i) aluminum chloride + lithium  lithium chloride + aluminum
(a)
___________________________
(b)
________________________________________________________________
(c)
# of atoms
# of atoms
(ii) hydrogen sulfide  hydrogen + sulfur
(a) ___________________________
(b) ________________________________________________________________
(c)
# of atoms
# of atoms
(iii) chloric acid + sodium hydroxide  water + sodium chlorate
(a) ___________________________
(b) ________________________________________________________________
(c)
# of atoms
(iv) lithium sulfide +
aluminum chloride
# of atoms
 lithium chloride +
aluminum sulfide
(a) ___________________________
(b) ________________________________________________________________
(c)
# of atoms
# of atoms
12. Solid, yellow sulfur was combined in a test tube with clear, colourless liquid ammonium oxide. Once the two substances were combined,
bubbles began forming in the test tube and the test tube became warm to the touch. The solution in the test tube was light yellow in colour.
a)
Is this a chemical or a physical change? Give two reason for your answer.
b)
A glowing splint was inserted into the mouth of the test tube and the splint burst into flames. What gas was being produced during this
reaction?
13.a) Using the pH scale below, answer the following questions.
a) What is the most acid solution on this pH scale? _________
b) What solution has a neutral pH? _____________
c) eggs are __________ times more _________ than detergent.
d) ammonia is ________ times more ________ than pop.
(b)
When red litmus paper turns blue, you have a(n) ________________ solution
(c) When blue litmus paper turns red, you have a(n)___________________solution
(d) When blue litmus paper remains blue, you have…_____________________________________________
14. i) Identify each molecular model by its name and formula.
RED – OXYGEN
BLACK – CARBON
WHITE - HYDROGEN
D.
B.
A.
E.
C.
ii) What is the combining capacity of…
hydrogen _________
carbon ________
oxygen _______
15. Identify the following pieces of lab equipment.
A.
B.
C.
E.
D.
16. Identify the following WHMIS symbols.
A.
B.
C.
D.
17. What are the 4 clues that a chemical reaction has taken place?
1. _______________________________________________________
2. _______________________________________________________
3. _______________________________________________________
4. _______________________________________________________
18. Describe the glowing/burning splint and their outcomes to determine the identity of the following gases…
a) oxygen gas
b) hydrogen gas
c) carbon dioxide gas
E.