Multiple Choice
How does the oxidation number of Ca change in the reaction: 2 Ca + O2 → 2 CaO?
A) It goes from 0 to +2.
B) It goes from 0 to -2.
C) It remains 0 in the reactants and products.
D) There is not enough information to tell.
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q50: What happens to elemental metals when they
Q51: Why did the defense maintain that Kenny
Q52: How does the oxidation number of O
Q53: The reduction of any atom ends in
Q54: What happens in a gas chromatography injector?<br>A)The
Q56: What instrument is used to determine if
Q57: How does the oxidation number of H
Q58: What number of carbons does the light
Q59: In KBr, what is the oxidation number
Q60: What is a bomb calorimeter?