Worksheetswarm up Chemistry
Total questions: 6
Worksheet time: 4mins
Name
Class
Date
1.
Solution M is added to dilute hydrochloric acid. Effervescence is seen. A gas is produced. The gas turns limewater milky. Name the anion in solution M.
a)
Cl-
b)
NO-3
c)
CO2-3
d)
SO2-4
2.
If Nitric acid and then a solution of Silver nitrate AgNO3 was added to a sample and a WHITE precipitate was observed which ion(s) is present?
a)
Silver ions (Ag+)
b)
Lead (Pb2+) ions
c)
Iodide (I-) ions
d)
chloride (Cl-) ions
e)
Bromide (Br-) ions
3.
As a gas was bubbled through limewater, this was observed. What is the identity of the gas?
a)
hydrogen
b)
ammonia
c)
oxygen
d)
carbon dioxide
4.
What is a cation's charge?
a)
positive
b)
negative
c)
neutral
d)
depends on the element
5.
What is an anion's charge?
a)
positive
b)
negative
c)
neutral
d)
depends on the element's charge
6.
Is the ion ammonium a cation or an anion?
a)
cation
b)
anion
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