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1.Which one of the following species cannot act as a base? Select one: a. H2O b. Cl– c. NH4+ d....

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Question

Chemistry

1.Which one of the following species cannot act as a base?

Select one:

a. H2O

b. Cl–

c. NH4+

d. OH–

e. NH3

2.

A gas with an empirical formula NO2 is weighed in a 1L flask and found to have a mass of 4.0 g. What is its molecularformula? (1 mol of an ideal gas occupies 23.0 L under theconditions of this experiment).

Select one:

a. N2O4

b. N4O8

c. NO

d. NO2

e. N2O

3.

When calcium hydroxide is reacted with excess nitric acid, itproduces:

Select one:

a. a solution of Ca2+(aq)and OH–(aq) ions

b. calcium nitrate solution

c. carbon dioxide gas

d. a basic solution

e. hydrogen gas

4.

A dilute aqueous acid was reacted with a white solid to producea gas. This gas makes limewater turn cloudy and white. Which of thefollowing could be the identity of the white solid?

Select one:

a. NaOH

b. NaHSO3

c. NaCl

d. NaNO3

e. NaHCO3

5.

When magnesium is reacted with hydrochloric acid, itproduces:

Select one:

a. a spark

b. a basic solution

c. carbon dioxide gas

d. a solution containing Mg2+ (aq) and Cl–(aq) ions

e. chlorine gas

Answer & Explanation Solved by verified expert
4.1 Ratings (593 Votes)
1 answer c NH4 explanation NH4 is the acid that cannot act as a base because it came form base NH3 2    See Answer
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