1 )The reaction HI(aq) + NaOH(aq) ? H2O(l) + NaI(aq) is a(n)_____ reaction.

a. precipitation

b. decomposition reaction

c. single replacement

d. None of these

e. acid–base

2. Which of the following ionic compounds is insoluble inwater?

	a.	FeCl3
	b.	NaCl
	c.	Hg2Cl2
	d.	BaCl2
	e.	CaCl2

2 ) Which of the following statements is nottrue?

	a.	When a metal reacts with a nonmetal, an ionic compound isformed.
	b.	A metal-nonmetal reaction involves electron transfer.
	c.	When two nonmetals react, the compound formed is ionic.
	d.	A metal-nonmetal reaction can always be assumed to be anoxidation-reduction reaction.
	e.	Two nonmetals can undergo an oxidation-reduction reaction.

3) Write the molecular equation, the complete ionic equation,and the net ionic equation for the following reaction: Aqueoussolutions of copper(II) nitrate and sodium hydroxide are mixed toform solid copper(II) hydroxide and aqueous sodium nitrate.

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