6. describe how combustion and oxidation differ. 12. The main source of magnesiu
ID: 851562 • Letter: 6
Question
6. describe how combustion and oxidation differ.
12. The main source of magnesium is seawater, which contains Mg2+ ions. is this magnesium in an oxidized form or educed form?
16. would you rexpect a piece of iron to rust on the surface of the moon? Explain
2. what is a neutralization reaction?
8. label each of the following substances as acidic or basic:
a. vinger
b. citrus fruits
c. aspirin
d. black coffee
10. indicate which of the following is a property of an acid and which is a property of a base:
a. sour taste
b. bitter taste
c. slippery feeling
d. changes color of red litmus to blue
e. changes color of blue litmus to red
14. what is antacid
18. which is more basic: a soultion with pH of 2 or a soultion withc a pH of 10? Explain
20. Which of the following are acidic and which are basic
a. cherries, Ph 3.2
b. crackers, pH 8.5
c. bananas, pH 4.6
d. drinking water, pH 8.0
22. which is more acidic, soap, pH 10, or household ammonia, pH 11?
24. a buffer can be made using a mixture of NaHCO3 (aq) and H2CO3 (aq). Describe how the pH is maintained when small amounts of acid or base are addded to the combination
Explanation / Answer
Combustion is a process referred as burning is an exothermic chemical reaction between the substance and oxygen. For example methane burns in air to produce CO2 and H2O.
Bur oxidation is a process where, an atom or ion is oxidized. For example
Na + H2O
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