Quiz/ CFA 2 Alternative
By Lori-Ann Thomas
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Last updated over 1 year ago
3 Questions
Required
4 points4
Question 1
1.
Examine the following models of various substances. Match each model with the vocabulary word that best identifies the substance.
Examine the following models of various substances. Match each model with the vocabulary word that best identifies the substance.
Oil in water | arrow_right_alt | Homogeneous Mixture |
Gold | arrow_right_alt | Compound |
Lemonade | arrow_right_alt | Element |
Water | arrow_right_alt | Heterogeneous Mixture |
Required
5 points5
Question 2
2.
The models below show different kinds of matter. Match each model to its corresponding identity.
The models below show different kinds of matter. Match each model to its corresponding identity.
| arrow_right_alt | Mixture of Elements | |
| arrow_right_alt | Elements | |
| arrow_right_alt | Compounds | |
| arrow_right_alt | Mixture of elements and compounds | |
| arrow_right_alt | Mixture of compounds |
Required
2 points2
Question 3
3.
A teacher slowly stirs 40 grams (g) of table salt (NaCl) into a 100milliliter (mL) beaker of water (H2O). The beaker is heated on a hot plateuntil it boils. Describe how the particles of the mixture will change as Thermal energy is added to the substance.
A teacher slowly stirs 40 grams (g) of table salt (NaCl) into a 100
milliliter (mL) beaker of water (H2O). The beaker is heated on a hot plate
until it boils. Describe how the particles of the mixture will change as Thermal energy is added to the substance.