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Chemistry, 15.12.2021 20:20 mparra4761
14. Which group below correctly list bases that completely dissociate in water?
O a. NaOH, KOH, LIOH
O b. NH3, NH4OH, HCI
C. NaOH, H3PO4, MgOH
O d. NaOH, KOH, H2CO3
15. When the oxidation number increases the element is
decreases the element is
and if the oxidation number
O a. reduced, reduced
O b. reduced, oxidized
O c. oxidized, oxidized
O d. oxidized, reduced
16. The oxidation number for O in NaHCO3 is
O a. 1-
O b. 1+
O c. 2-
O d. 2+
17. The oxidation number for Na, Cr, and o respectively in the compound Na2Cro4
O a. 6+, 1+, 2+
O b. 1+, 6+, 2-
O c. 2-, 1+, 6+
O d. 1-, 2-, 3+
18. CuSO4 + 2NaOH --> Cu(OH)2 + Na2S04
The reaction above represents
O a. Oxidation
O b. Reduction
O c. Neutralization
O d. None of the above
19. A balloon with a volume of 5.0 L is filled with a gas at 2 atmospheres. If the pressure is reduced
to 1 atmospheres without a change in temperature, what would be the volume of the balloon?
O a. 5.0 L
b. 10 L
O c. 12 L
O d. 10 ml
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14. Which group below correctly list bases that completely dissociate in water?
O a. NaOH, KOH, LI...
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