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1 | |
Which process below has only been used in North America since the development of modern industrial chemistry? |
| | A) | dying fabric |
| | B) | making leather |
| | C) | producing medicines to treat insect bites |
| | D) | refining and processing crude oil to make plastics |
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2 | |
Which human need below was met by Aboriginal people using chemical processes? |
| | A) | materials for clothing |
| | B) | fertilizer for crops |
| | C) | purifying drinking water |
| | D) | controlling insect pests |
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3 | |
What is the best evaluation of traditional ways of using chemicals extracted from plants to treat illness? |
| | A) | The methods have been entirely replaced by modern chemical technologies. |
| | B) | The methods are dangerous because people did not understand how to use them safely. |
| | C) | The methods are ineffective, because people did not understand how they worked |
| | D) | The methods are often effective and are still used today. |
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4 | |
A chemical package contains this WHMIS symbol. Which action below should you be careful to avoid when handling this chemical?
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| | A) | heating, because the material is flammable |
| | B) | opening the container, because the material may cause other substances to start burning |
| | C) | touching, tasting, or inhaling the material, because it has immediate toxic effects |
| | D) | using the material in any way, because it contains dangerous living organisms |
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5 | |
A chemical used in an industrial process is explosive. Which WHMIS symbol would appear on its label? |
| | A) | <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070890862/141725/SF10_CH01_Q4a.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (2.0K)</a>]]>
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| | B) |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070890862/141725/SF10_CH01_Q4b.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (2.0K)</a>]]>
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| | C) |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070890862/141725/SF10_CH01_Q4c.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (2.0K)</a>]]>
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| | D) |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070890862/141725/SF10_CH01_Q4e.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (2.0K)</a>]]> |
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6 | |
The MSDS for a chemical contains the following information:
Hazards Identification: dust is irritating if inhaled....
Which common procedure below should definitely be avoided with this chemical? |
| | A) | stirring to dissolve it |
| | B) | identifying by smell |
| | C) | examining crystals under a microscope |
| | D) | combining with an acidic liquid |
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7 | |
A chemical bottle carries this WHMIS symbol. What would you expect to happen as you opened the container?
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| | A) | escape of the compressed gas |
| | B) | a burst of flames |
| | C) | a very bad odour from the escaping chemical fumes |
| | D) | a sudden rise in temperature as the chemical vaporizes |
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8 | |
Amanda works in a printing shop. She is allergic to several chemicals. By law, where must the safety information on products used in Amanda's shop be provided? |
| | A) | in the nearest hospital poison control centre |
| | B) | on the box the chemical containers are shipped in |
| | C) | an MSDS in the printing shop |
| | D) | on the manufacturer's web site |
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9 | |
The diagram shows the two basic classifications of matter. What label could replace the box?
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| | A) | element |
| | B) | compounds |
| | C) | mixtures |
| | D) | solutions |
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10 | |
What is the key identifying characteristic of a mechanical mixture (for example, sand)? |
| | A) | It has a definite, fixed composition. |
| | B) | Different components are visible. |
| | C) | There is a constant composition throughout any sample. |
| | D) | The substance cannot be broken down or separated into components. |
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