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Biblioteka

Outcome A1, and A3 Quiz #1 Review

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Posljednje ažuriranje over 1 year ago
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Pitanje 7
7.

Question 7: What physical property can be used to distinguish between a 1 cm cube of copper and a 1 cm cube of sugar?

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Pitanje 11
11.

A product's safety label shows that it is flammable and combustible. What two things should you consider when choosing a storage site for this substance?

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Pitanje 12
12.

WHMIS labels are found in science labs. Name two other places WHMIS labels are found.

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Pitanje 13
13.

Explain two reasons WHMIS training is important in a wide variety of jobs.

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Pitanje 14
14.

If someone with a visual impairment needed to identify a substance, what three properties would help them recognize it?

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Pitanje 17
17.

List the four Household hazard symbols.

Pitanje 18
18.

The household hazard symbols come with three levels of severity. What are the three levels and what shapes does each level have?

Pitanje 19
19.

What is the difference between a pure substance and a mixture. Give two examples of each.

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Pitanje 20
20.

How is the periodic table organized?

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Pitanje 24
24.

Question 5: A pure substance is made up of only one type of particle. Which of the following items lists pure substances?

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Pitanje 29
29.

Which of the following best describes a decomposition reaction?

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Pitanje 34
34.

Compare metallic and non-metallic elements by completing this chart. List at least two similarities and two differences.

Pitanje 35
35.

(a.) How many different elements are found in acetaminophen, C9H9NO2(s)?

(b) How many atoms are found in a single particle of acetaminophen? Show your work.

Pitanje 36
36.

Why is it important for scientists everywhere around the world to use standard symbols for the elements?

Pitanje 37
37.

You are given a sample of an unknown element. Describe three tests you would use to determine whether this element is a metal or a non-metal.

Pitanje 1
1.

What does this safety symbol mean?

Pitanje 2
2.

What does this safety symbol mean?

Pitanje 3
3.

Which description of particles is correct?

Pitanje 4
4.

Material Safety Data Sheets (MSDS) are required for every controlled substance. What information is not found on an MSDS?

Pitanje 5
5.

Which of the following statements best describes water in the solid state?

Pitanje 6
6.

Which of the following statements does not belong in the particle theory of matter?

Pitanje 8
8.

Question 8: Which of the following statements is false?

Pitanje 9
9.

Question 9: Which of the following is a pure substance?

Pitanje 10
10.

Question 10: A science student is about to mix two unlabelled chemicals. Which piece of advice would you offer to this student?

Pitanje 15
15.

Every substance has a unique set of properties. List two physical properties and two chemical properties of baking soda.

Pitanje 16
16.

Describe the three states of matter and provide an example of each.

Pitanje 21
21.

Which of the following properties does not describe a metallic element?

Pitanje 22
22.

Which of the following statements properly describes the periodic table?

Pitanje 23
23.

What does the staircase line on the periodic table separate?

Pitanje 25
25.

Question 6: What does a decomposition reaction do?

Pitanje 26
26.

Question 7: Which statement is true of a chemical formula?

Pitanje 27
27.

Question 8: How many elements are found in monosodium glutamate, which has this formula: NaC5H8NO4(s)?

Pitanje 28
28.

Question 9: How many atoms are found in a single particle of monosodium glutamate, which has this formula: NaC5H8NO4(s)?

Pitanje 30
30.

What elements can be trapped by decomposing water?

Pitanje 31
31.

Many household products have scientific names. Which of the following pair of common name and scientific name is correct?

Pitanje 32
32.

Which of the following pair of terms is incorrect?

Pitanje 33
33.

Describe two ways the periodic table is organized.