Science 14 - Unit A exam cloned 8/9/2022
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Last updated over 3 years ago
10 questions
1
These WHMIS symbols are displayed on a can of solvent. They indicate that the solvent is:
These WHMIS symbols are displayed on a can of solvent. They indicate that the solvent is:
1
Food preservation tehcniques cause physical and chemical changes. Which of the following methods is based on a chemical change?
Food preservation tehcniques cause physical and chemical changes. Which of the following methods is based on a chemical change?
1
Copper has many practical advantages over gold because copper is
Copper has many practical advantages over gold because copper is
1
John Dalton proposed four ideas in his model of the atom. Which of the following is not part of his model?
John Dalton proposed four ideas in his model of the atom. Which of the following is not part of his model?
1
Which of the following is a general property of bases?
Which of the following is a general property of bases?
1
The above reaction is:
The above reaction is:
2
List two high risk behaviours associated with the misuse of alcohol.
List two high risk behaviours associated with the misuse of alcohol.
2
List two health factors associated with the long-term use of tobacco products.
List two health factors associated with the long-term use of tobacco products.
3
Name one career or occupation, other than chemist, in which some knowledge of chemistry is an asset or requirement. Briefly explain your answer.
Name one career or occupation, other than chemist, in which some knowledge of chemistry is an asset or requirement. Briefly explain your answer.
1
When someone uses perfume, why do the people nearest smell it first?
When someone uses perfume, why do the people nearest smell it first?