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CHEM CHO QUIZ 3 ACIDS, BASES & SALTS ( 12/01)

Total questions: 20

Worksheet time: 9mins

Name
Class
Date
1.

When ammonia gas is passed into hydrochloric acid, the resulting product is:

a)

Ammonium hydroxide

b)

Ammonium chloride

c)

Ammonium sulfate

d)

Ammonium nitrate

2.

When hydrochloric acid reacts with a metal X, the product is the corresponding chloride. If X is magnesium, what is the balanced chemical equation for the reaction?

a)

HCl + Mg → MgCl2 + H2

b)

2HCl + Mg → MgCl2 + H2

c)

HCl + Mg → MgCl + H2

d)

HCl + Mg → Mg2Cl + H2

3.

In the reaction between sulfuric acid and potassium hydroxide, the balanced equation is:

a)

H2SO4 + KOH → K2SO4 + H2O

b)

H2SO4 + 2KOH → K2SO4 + 2H2O

c)

H2SO4 + KOH → K2SO4 + 2H2O

d)

H2SO4 + 2KOH → K2SO4 + H2O

4.

In the reaction between sulfuric acid and a base Y, if Y is calcium hydroxide, what is the salt formed in the reaction?

a)

Calcium sulfate

b)

Calcium nitrate

c)

Calcium chloride

d)

Calcium carbonate

5.

The reaction between hydrochloric acid and potassium hydroxide results in the formation of:

a)

Water

b)

Salt and water

c)

Salt, water, and gas

d)

Salt and gas

6.

If acetic acid reacts with a certain alcohol U, the product is a sweet-smelling compound commonly used in perfumes. If U is ethanol, what is the compound formed?

a)
Butyl acetate
b)
Methyl acetate
c)
Ethyl acetate
d)
Propyl acetate
7.

What is the pH of a solution if its hydrogen ion concentration is 1 x 10^(-3) M?

a)
7
b)
10
c)
5
d)
3
8.

Identify the parent acids & bases of NH4NO3 (ammonium nitrate).

a)

HCl & NH4OH

b)

HNO3 & NH4OH

c)

HNO3 & NaOH

d)

CH3COOH & KOH

9.

Which of the following is a property of salts?

a)
They are covalent compounds
b)
They are gases at room temperature
c)
They are made up of only one type of atom
d)
They are ionic compounds
10.

The process of adding a base to an acidic solution to reach neutralization is called:

a)

Neutralization

b)
Distillation
c)
Titration
d)
Evaporation
11.

The reaction between an acid and a carbonate produces:

a)
nitrogen gas and salt
b)
carbon dioxide gas, water, and a salt
c)
oxygen gas and water
d)
hydrogen gas and salt
12.

When ammonia reacts with hydrochloric acid, what is the nature of the resulting solution?

a)

Acidic

b)

Basic

c)

Neutral

d)

Amphoteric

13.

What is the common name for sodium bicarbonate?

a)

bleaching powder

b)
salt
c)

washing soda

d)
baking soda
14.

The pH of a solution with a hydrogen ion concentration of 1 x 10^(-8) M is:

a)
4
b)
8
c)
6
d)
10
15.

Which of the following is/are a general property/ies of bases?

a)

bitter in taste

b)

turns blue litmus red

c)

slippery to touch

d)

releases H+ ions in aqueous state

16.

When acetic acid reacts with calcium carbonate, what is the gas evolved?

a)
Hydrogen
b)
Oxygen
c)
Carbon dioxide
d)
Nitrogen
17.

In the reaction between sulfuric acid and potassium hydroxide, if the concentration of sulfuric acid is doubled, what happens to the pH of the resulting solution?

a)

Increases

b)

Decreases

c)

Remains the same

d)

ecomes neutral

18.

What is the pH of a solution obtained by mixing 50 mL of a solution with pH 2 and 50 mL of a solution with pH 10?

a)

6

b)

2

c)

7

d)

5

19.

Which gas is evolved when hydrochloric acid reacts with manganese dioxide (MnO2)?

a)

Oxygen

b)

Oxygen

c)

Hydrogen

d)

Carbon dioxide

20.

When nitric acid reacts with a metal Z, the gas evolved turns limewater milky. If Z is zinc, what is the gas formed?

a)

H2

b)

O2

c)

NO2

d)

CO2