1. Balancing chemical equations is based on a) the law of multiple proportion b) the...

1. Balancing chemical equations is based on
a) the law of multiple proportion
b) the Boyle’s law
c) the law of conservation of matter
d) none of the above
2. The valency of chlorine atom with 17 protons is
a) 1
b) -1
c) 0
d) 2
3. Which of the following elements has a valency of zero?
a) Ne
b) Si
c) K
d) S
4. The oxidation number of nitrogen in NO
a) 2
b) -2
c) +2
d) 1
5. The charge on an ion is known as the
a) Radical
b) Oxidation number
c) Ion
d) Valency
6. The oxidation number of nitrogen in NO3- is
a) +1
b) +2
c) +3
d) +4?

In Chemistry
3 Answers Available
Asked by Denis on 2nd February, 2021