Question

Choose the correct options


1. Identify the cation.
a H₂O+
b. co
c. H20
d. F-
2. Which polyatomic ion does NaNO, contain?
a. Carbonate
b. Nitrite
c. Sodium
d. Nitrate
3. Which one of the following cannot exist independently?
a He
b H2SO4
c. H2
d. So42-​

Answer 1

Answer:

1. option b

2. option D

3. option d

Answer 2

1) b)

2) d)

3) c)

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