Acids and Bases Independent practice 1

advertisement
Acid & Base Independent Practice Day 1
1. Of the four different substances, which of the following has the highest alkalinity? What
is alkalinity?
Substance A
Substance B
Substance C
Substance D
pH = 12.0
pH = 3.0
pH = 7.0
pH = 8.5
2. Using the information from the table below, describe what kind of substance is test tube
1 & 2. Be sure to explain your answer.
Property
Test Tube 1
Test Tube 2
Taste
Feel
Reacts With
Litmus Paper
Sour
Wet
Metals
Turned Red
Bitter
Slippery
Oil and Grease
Turned Blue
3. Many acids are used in companies to help create thing like gasoline, fertilizer, and better tasting
foods through chemical reactions. Which of the following is an observable property of many
acids that these companies should take into consideration? EXPLAIN YOUR ANSWER CHOICE!!!
a. They become slippery when reacting with water.
b. They react with metals.
c. They produce salts when mixed with other acids.
4. A student tested a 0.1 M aqueous solution and made the following observations:
• burns to the touch
• turns pH paper red • reacts with Zn(s) to produce gas bubbles
-Which compound could be the solute in this solution? EXPLAIN YOUR ANSWER CHOICE
-What kind of bond exists between CH3OH, LiBr, and LiOH?
a. CH3OH
b. LiBr
c. HBr
d. LiOH
5. What ion is characteristic to all bases? (CHECK YOUR GUIDED NOTES)
6. What ion is characteristic to all acids?
7. Equal volumes of 1 molar hydrochloric acid (HCl) and 1 molar sodium hydroxide base (NaOH) are
mixed. After mixing, the solution will be ____. EXPLAIN YOUR ANSWER CHOICE.
a. strongly acidic
b. weakly acidic
c. nearly neutral
d. weakly basic
8. Complete the table below by circling ONE CORRECT CHOICE PER BOX.
Property
Acid
Base
Taste
(sour) / (bitter) / (sweet)
(sour) / (bitter) / (sweet)
Feel
(painful) / (slippery) / (smooth)
(painful) / (slippery) / (smooth)
Reacts with
(metals) / (oil & grease)
(metals) / (oil & grease)
Major Ion
pH range
(H+) / (H-) / (OH-) / (OH+)
(<7) / (7) / (>7)
(H+) / (H-) / (OH-) / (OH+)
(<7) / (7) / (>7)
Download
Random flashcards
Radioactivity

30 Cards

Marketing

46 Cards

Create flashcards