AnswersChemistry - SC3210 A-CRLab: Ionic and Covalent Bonds

Lab: Ionic and Covalent Bonds Answers

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1
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How does a conductivity apparatus test whether a solution has ionic or covalent substances in it?

A
It fails to light up except in homogeneous solutions.
B
It lights up when the leads touch each other.
C
Ions complete the flow of electrons to form a circuit.
D
The covalent substances bond to the leads to prevent the lightbulb from lighting.
2
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What properties would you expect for CCl4? Select all that apply.

A
It is likely a gas or liquid at room temperature.
B
It is likely soluble in water.
C
It will likely light up a bulb in a conductivity apparatus.
D
It will likely have a high melting point.
3

Calcium oxide (CaO) is ionic.covalent.

A
ionic.
B
covalent.
4

What properties would you expect for CaO? Select all that apply.

A
It is likely a gas or liquid at room temperature.
B
It is likely soluble in water.
C
It will likely light up a bulb in a conductivity apparatus.
D
It will likely have a high melting point.

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