Reference no: EM132688885

1.Which process is used to produce gases from solutions of salts dissolved in water or another liquid?

A) Ionic bonding

B) Polar covalent bonding

C) Electrolysis

D) Metallic bonding

2.The possible products of a double displacement reaction in aqueous solution are (NH4)2S and NaNO3. Which of these possible products will form as a solid in this reaction?

A) Both compounds will form as a solid.

B) (NH4)2S

C) NaNO3

D) Neither compound will form as a solid.

3.Which portion of a molecule of F2O has partial positive charge?

A) The partial charge on each atom is negative

B) The F atoms

C) The partial charge on each atom is zero

D) The central O atom

4.A chemical reaction has the equation 2AgNO3 (aq) + Zn (s) → 2Ag (s) + Zn(NO3)2 (aq). What type of reaction occurs between AgNO3 and Zn?

A) Double displacement

B) Decomposition

C) Single displacement

D) Synthesis

5.In general, which of the following statements about electron-pair geometries is true?

A) They maximize the space between valence electrons to minimize the repulsion between them.

B) They maximize the polarity of valence electrons to minimize the attraction between them.

C) They maximize the space between valence electrons to minimize the attraction between them.

D) They maximize the polarity of valence electrons to minimize the repulsion between them.

6.A certain covalent compound contains sulfur bonded to chlorine. Which of the following statements about this compound is correct?

A) Electrons will reside closer to chlorine, and the bond will be non-polar.

B) Electrons will reside closer to sulfur, and the bond will be non-polar.

C) Electrons will reside closer to sulfur, and the bond will be polar.

D) Electrons will reside closer to chlorine, and the bond will be polar.

7.Will sodium iodide react with bromine to produce sodium bromide and iodine? Why or why not?

A) Yes, because bromine has lower activity than iodine

B) No, because bromine has higher activity than iodine

C) Yes, because bromine has higher activity than iodine

D) No, because bromine has lower activity than iodine

8.What's the structure of methane, CH4? Is it polar or non-polar?

A) Trigonal planar, non-polar

B) Tetrahedral, polar

C) Tetrahedral, non-polar

D) Trigonal planar, polar

9.An ionic compound in the solid state has a defined, repeating arrangement of atoms, which is called

A) molecular structure.

B) atomic structure.

C) crystal lattice.

D) electronic structure.