Test Questions with Chemistry Images - Page 3

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Grade 10 Properties of Matter

Which of the following is represented by B?

1. freezing
2. melting
3. condensation
4. evaporation

Grade 11 Solvents, Solutes, and Solubility

How does the vapor pressure of water vary as the temperature increases?

1. Increases
2. Decreases
3. None of the above
4. Both (a) and (b), depending on the temperature

Grade 11 Solvents, Solutes, and Solubility

What is the boiling point of ethanol at 150 kPa?

1. 95ºC
2. 90ºC
3. 100ºC
4. None of the above

Grade 10 Properties of Matter

Which of the following represents the temperature range involved in the liquid phase?

1. 90ºC-150ºC
2. 140ºC
3. 90ºC
4. 50ºC-90ºC

Grade 10 Properties of Matter

Which of the following represents the temperature range involved in the solid phase?

1. 150ºC-208ºC
2. 140ºC
3. 90ºC
4. 50ºC-90ºC

Grade 10 Organic Chemistry

What is the name of the compound shown?

1. Benzene
2. Methylpentene
3. Toluene
4. (1) and (2)

Grade 10 Properties of Matter

Which of the following exists at time t=13 minutes?

1. The liquid phase, only
2. The solid phase, only
3. An equilibrium between the solid and the liquid phases
4. None of the above

Grade 10 Properties of Matter

Which of the following phase changes would occur as an endothermic process during time t=2 min to time t=6 min?

1. condensation
2. evaporation
3. freezing
4. melting

Grade 11 Solvents, Solutes, and Solubility

What is the temperature of propanone at a pressure of 190 kPa?

1. 70ºC
2. 80ºC
3. 75ºC
4. 60ºC

Grade 10 Bonds and Mixing

Which of the following conditions is sufficient to increase the solubility of a solid in water?

1. high pressure, only
2. low temperature and low pressure
3. low temperature and high pressure
4. high temperature

Grade 9 Organic Chemistry

Which of these is a common application for the polymer shown in the image?

1. styrofoam cups
2. cooking utensils
3. garden hoses
4. food containers

Grade 10 Bonds and Mixing

How can a solution containing 125 g of KI dissolved in 100 g of water at 10ºC be classified?

1. saturated
2. unsaturated
3. supersaturated
4. none of the above

Grade 11 Solvents, Solutes, and Solubility

Which of the following is the temperature of ethanoic acid at 90 kPa?

1. 40ºC
2. 80ºC
3. 230ºC
4. 115ºC

Grade 10 Properties of Matter

Which of the following is represented at time t=13 min?

1. gas
2. liquid
3. solid
4. freezing

Grade 11 Solvents, Solutes, and Solubility

Which of the following is represented by the temperature of each of the four substances present at 101.3 kPa?

1. standard melting point
2. normal boiling point
3. standard freezing point
4. none of the above

Grade 11 Solvents, Solutes, and Solubility

Which of the following represents the normal boiling point of water?

1. 101.3ºC
2. 100 K
3. 100ºC
4. 101.3 K

Grade 10 Properties of Matter

Which of the following is represented at time t=13 min?

1. gas
2. liquid
3. solid
4. freezing

College Properties of Matter

Given the phase diagram, which of the following indicates the point at which solid and liquid exist at the same vapor pressure?

1. The critical point
2. The critical temperature
3. The triple point
4. The critical pressure

Grade 10 Properties of Matter

Which of the following is represented at time t=5 min?

1. melting
2. condensation
3. evaporation
4. freezing

Grade 10 Bonds and Mixing

At 100ºC, how many grams of NaCl are necessary to create a saturated solution?

1. 20 g
2. 30 g
3. 40 g
4. 50 g