Answer is: c. CuSO4 + 2NaOH yields Cu(OH)2 + Na2SO4.
Copper atom has oxidation number +2, sulfur atom oxidation number +6, oxygen has oxidation number-2, sodium has oxidation number +1 and hydrogen has +1 on both side of chemical reaction, so elements did not change their oxidation numbers.
Answer:
uh.. How many do you want done??
Explanation:
Answer:
171°F is the answer of this question
D only..
A is pure compound
B is mixture of compound and element
C is mixture of compounds
D is mixture of elements