15- When solutions of an acid and a base are reacted, the products are A. a new
ID: 1051577 • Letter: 1
Question
15- When solutions of an acid and a base are reacted, the products are
A.
a new acid and a new base.
B.
a salt and water.
C.
a metal oxide and water.
D.
a nonmetal oxide and water.
16 Balance the following chemical equation using the smallest set of integers. The coefficient on NO2 is:
HNO3 + S -------> NO2 + H2SO4 + H2O
A.
4
B.
6
C.
1
D.
2
1.
17 Balance the following chemical equation using the smallest set of integers. The coefficient on H2O is
I2 + Cl2 + H2O ------> HIO3 + HCl
A.
1
B.
5
C.
6
D.
2
18 Which of the following balanced reactions is the decomposition of potassium chlorate into potassium chloride and oxygen?
A.
KClO2 -----> KCl + O2
B.
KClO3 -----> KCl + O2
C.
2KClO2 ------> 2KCl + 2O2
D.
2KClO3 ----> 2KCl + 3O2
1
9 The following reaction: 2FeO ------> 2Fe + O2, is an example of
A.
combination
B.
decomposition
C.
single displacement
D.
double displacement
A.
a new acid and a new base.
B.
a salt and water.
C.
a metal oxide and water.
D.
a nonmetal oxide and water.
Explanation / Answer
16
when solution of acid base react the products depend on the
kind of acid base you are using
if acid and base are strong
the answer is
option B salt and water
16.
balanced equation is
6HNO3 + S -----> 6NO2 + H2SO4 + 2H2O
answer is option B 6
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