Year 12 Chemistry Chapter 1

Year 12 Chemistry Chapter 1

12th Grade

10 Qs

quiz-placeholder

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Year 12 Chemistry Chapter 1

Year 12 Chemistry Chapter 1

Assessment

Quiz

Chemistry

12th Grade

Medium

Created by

Keir Strahan

Used 35+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Four identical vehicle models, 1, 2, 3 and 4, were tested for fuel efficiency using LPG, petrol (unleaded, 91 octane), E10 (petrol with 10% ethanol added) and petrodiesel. Carbon dioxide, CO2, emissions per litre of fuel burnt were also determined. The following table summarises the results. Using the information in the table above, which one of the following statements about petrodiesel is correct?

It has the highest energy content.

It has the poorest fuel efficiency.

It is a renewable energy source.

It has the lowest CO2 emissions when burnt.

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

The use of which vehicle has the smallest impact on the environment, in terms of the grams of CO2 produced per 100 km?

Vehicle model 1

Vehicle model 2

Vehicle model 3

Vehicle model 4

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A Year 12 Chemistry assignment requires students to quantitatively and qualitatively compare fossil fuels and biofuels.

Which one of the following investigations would be most appropriate for this comparison?

Use a bomb calorimeter to determine the heat of combustion for both fossil fuels and biofuels.

Interview car owners to determine what petrol price would make them consider using biofuels.

Produce biodiesel from vegetable oil and compare the viscosity of the biodiesel produced with that of a range of

fossil fuels.

Find reliable information about the environmental impacts of producing fossil fuels and biofuels, and the

amount of carbon dioxide produced per litre from the combustion of these fuels.

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which one of the following statements about fuels is correct?

Petroleum gas is a form of renewable energy.

Electricity can only be generated by burning coal.

Carbon dioxide is not produced when biogas is burnt.

Biodiesel can be derived from both plant and animal material.

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Coal seam gas is used to generate electricity.

Which one of the following statements applies to coal seam gas?

Coal seam gas is mostly methane and is found naturally in commercial quantities near some coal deposits.

Burning coal produces less greenhouse emissions, by mass, than burning coal seam gas.

Water released during the extraction of coal seam gas is used to irrigate farms.

Coal seam gas is extracted from decomposing plant and animal material.

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Bioethanol, C2H5OH, is produced by the fermentation of glucose, C6H12O6, according to the following equation.

C6H12O6(aq) → 2C2H5OH(aq) + 2CO2(g)

The mass of C2H5OH obtained when 5.68 g of carbon dioxide, CO2, is produced is

0.168 g

0.337 g

2.97 g

5.94 g

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A student is asked to research and then recommend either petrodiesel or biodiesel as the preferred fuel for a small Victorian transport company. The company stores some of its fuel supplies in tanks situated in remote locations for occasional use. The air temperature in these remote locations can range between 0 °C and 40 °C. Based on this information, the student would recommend petrodiesel rather than biodiesel because petrodiesel is

more hygroscopic, more viscous and less likely to biodegrade when stored.

more hygroscopic, less viscous and more likely to biodegrade when stored.

less hygroscopic, more viscous and more likely to biodegrade when stored.

less hygroscopic, less viscous and less likely to biodegrade when stored.

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