Worksheetsreactions with acids
Total questions: 32
Worksheet time: 38mins
Name
Class
Date
1.
An acid reacts with metal to produce
a)
Carbon dioxide
b)
Hydrogen gas
c)
Hydrogen gas and water
d)
Salt and hydrogen gas
2.
A neutralisation reaction is a reaction between
a)
Acid and a Base
b)
Acid and water
c)
Base and water
d)
None of the above
3.
What type of reaction is the following:
HCl + Zn --> ZnCl + H2
HCl + Zn --> ZnCl + H2
a)
Neutralisation
b)
Acid and a metal
c)
Acid and a carbonate
d)
Ionic
4.
Complete the following reaction:
Sulphuric acid + sodium carbonate -->
Sulphuric acid + sodium carbonate -->
a)
Carbon dioxide + water
b)
calcium carbonate + water + carbon dioxide
c)
Sodium sulphate + water + carbon dioxide
d)
Sodium chloride + water + carbon dioxide
5.
Complete the following reaction:
Hydrochloric acid + magnesium hydroxide -->
Hydrochloric acid + magnesium hydroxide -->
a)
Magnesium chloride + water
b)
Magnesium + water
c)
Magnesium chloride + hydrogen gas
d)
Magnesium chloride + water + carbon dioxide
6.
What are the 3 types of reactions of acids?
a)
Base, Salt, Carbonate
b)
Metal, Salt, Carbonate
c)
Base, Metal, Carbonate
d)
Water, Metal Carbonate
7.
Acids are what range on the pH scale?
a)
0-14
b)
0-6.99
c)
7
d)
7.1-14
8.
Vinegar is an example of __________
a)
A base
b)
An acid
c)
A neutral substance
9.
Bases are what range on the pH scale?
a)
0-6.99
b)
7
c)
7.1-14
d)
0-14
10.
A solution with a pH of 3.6 would be...
a)
Acid
b)
Base
c)
Neutral
d)
Acid and Base
11.
A solution with a pH of 8.6 would be...
a)
Acid
b)
Base
c)
Neutral
d)
Acid and Base
12.
The pH of an acidic solution is
a)
less than 0
b)
less than 7
c)
greater than 7
d)
greather than 14
13.
According to the pH range which substance is more acidic than lemon juice
a)
Hydrochloric acid
b)
cabbage
c)
milk
14.
A salt is formed when nitric acid combines with sodium hydroxide. What are present in the salt that forms?
a)
Sodium chloride
b)
sodium ions and nitrate ions
c)
only sodium ions
d)
only nitrate ions
15.
If an acid is combined with a base of equal strength, the result will most likely be
a)
a neutral solution.
b)
a stronger acid.
c)
impossible to tell without testing the pH.
d)
a stronger base
16.
The formula HCl stands for ____.
a)
hydrochloric acid
b)
hydrogen peroxide
c)
sodium hydroxide
d)
the hydronium ion
17.
Antacids work because they ____ excess stomach acid.
a)
neutralize
b)
contain
c)
acidify
d)
titrate
18.
which of the foll substances will not give carbon dioxide on treatment with dilute acid
a)
marble
b)
limestone
c)
baking soda
d)
lime
19.
sodium hydrogen carbonate when added to acetic acid evolves a gas .which of the statement is true about the gas evolved
a)
it turns lime water milky
b)
it burns with a pop sound
c)
it changes the soln colorless
d)
it has a pungent smell
20.
What are the products for the reaction of metal with acid?
Metal + acid ---> metal salt + hydrogen
Metal + acid ---> metal salt + hydrogen
a)
Metal salt and hydrogen
b)
Metal salt
c)
Metal
d)
Acid
21.
What are the reactants for the reaction of metal with acid?
Metal + acid ---> metal salt + hydrogen
Metal + acid ---> metal salt + hydrogen
a)
Hydrogen
b)
Metal salt
c)
Metal
d)
Metal and acid
22.
Which salt will be produced if magnesium react with hydrochloric acid?
a)
Magnesium oxide
b)
Magnesium sulfate
c)
Magnesium sulfide
d)
Magnesium chloride
23.
What gas is produced when a metal reacts with an acid?
a)
Water vapour
b)
Acidic gas
c)
Hydrogen
d)
Nitrogen
24.
What gas is produced when sodium reacts with water?
a)
Hydrogen
b)
Carbon dioxide
c)
Carbon monoxide
d)
Water vapour
25.
How can you tell that a metal is reacting with water?
a)
Colour change
b)
Bright light
c)
Fizzing
d)
It gets colder
26.
Name the salt produced when reacting potassium hydroxide and phosphoric acid?
a)
Potassium chloride
b)
potassium nitrate
c)
potassium sulfate
d)
potassium phosphate
27.
Why must chemical equations be balanced?
a)
So that the equation doesn't explode
b)
The reaction won't happen until it is balanced
c)
Matter cannot be created or destroyed
d)
None of these
28.
A salt is formed when nitric acid combines with sodium hydroxide. What is the name of the salt?
a)
Sodium chloride
b)
Sodium nitrate
c)
Hydrogen Nitrate
d)
Nirate
29.
If you combine an acid and a base, this occurs.
a)
acidification
b)
basification
c)
neutralization
d)
negativation
30.
What type of reaction is the following:
HCl + Zn --> ZnCl + H2
HCl + Zn --> ZnCl + H2
a)
Neutralisation
b)
Acid and a metal
c)
Acid and a carbonate
d)
Ionic
31.
Complete the following reaction:
Sulphuric acid + sodium carbonate -->
Sulphuric acid + sodium carbonate -->
a)
Carbon dioxide + water
b)
calcium carbonate + water + carbon dioxide
c)
Sodium sulphate + water + carbon dioxide
d)
Sodium chloride + water + carbon dioxide
32.
Complete the following reaction:
Hydrochloric acid + magnesium hydroxide -->
Hydrochloric acid + magnesium hydroxide -->
a)
Magnesium chloride + water
b)
Magnesium + water
c)
Magnesium chloride + hydrogen gas
d)
Magnesium chloride + water + carbon dioxide
100 %
