8
19 A salt is produced in each of the following reactions.
Р
magnesium + dilute hydroc...
8
19 A salt is produced in each of the following reactions.
Р
magnesium + dilute hydrochloric acid
Q
zinc oxide + dilute sulfuric acid
R
sodium hydroxide + dilute hydrochloric acid
S
copper carbonate + dilute sulfuric acid
Which statements about the products of the reactions are correct?
1
A flammable gas is produced in reaction P.
Water is formed in all reactions.
2
3
All the salts formed are soluble in water.
A
1, 2 and 3
B
1 and 2 only
с
and 3 only
D
and 3 only
20
Answers: 2
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