Transcribed Image Text: TOPIC 5: OXIDATION-REDUCTION PROCESSES

. Transcribed Image Text: TOPIC 5: OXIDATION-REDUCTION PROCESSES
* EXERCISE 1:
– Can the substance H2S04 in redox processes be:
a. reduction agent only
b. oxidizing agent only
c. and oxidizing and reducing agent
Mr. none of the above
EXERCISE 2:
Which substance is a reducing agent in the reaction given by
equation:
Zn + H2SO4 = ZNSO4 + H2
a. Zn 1
б. На
B. H2SO4
r. ZNSO4
EXERCISE 3:
In the reaction represented by the equation: 2CUO + C = 2Cu + CO2
for copper from CuO it holds that:
a. has been reduced
C. oxidized
b. dropped 2 electrons
Mr. is a
pe, duplication tool
EXERCISE 4:
Which of the following equations is not oxidation-reduction:
a. 3H2 + N2 = 2NH3
B. H2 + 12 = 2HI
6. СаСОЗ %3D СаО + С02
Mr. 2S02 + 02 = 2SO;

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