Potions and Poisons

Name:

Potions and Poisons

Matching

Match each item with the correct statement below.

a.	mixture	d.	reactant
b.	product	e.	heterogeneous mixture
c.	phase	f.	vapor

gaseous state of substance that is a liquid or solid at room temperature

a physical blend of two or more components

part of a sample having uniform composition and properties

not uniform in composition

a substance formed in a chemical reaction

starting substance in a chemical reaction

Match each item with the correct statement below.

a.	distillation	d.	compound
b.	mass	e.	element
c.	chemical reaction	f.	homogeneous

amount of matter an object contains

describes mixture with a uniform composition

a process in which a liquid is boiled to produce a vapor that is condensed again into a liquid

10.

substance that cannot be changed into simpler substances by chemical means

11.

composed of two or more substances chemically combined in a fixed proportion

12.

process in which substances are changed into different substances

Match each item with the correct statement below.

a.	product	d.	balanced equation
b.	reactant	e.	skeleton equation
c.	chemical equation

13.

a chemical equation that does not indicate relative amounts of reactants and products

14.

a new substance formed in a chemical reaction

15.

a starting substance in a chemical reaction

16.

a concise representation of a chemical reaction

17.

an equation in which each side has the same number of atoms of each element

Match each item with the correct statement below.

a.	activity series of metals	c.	combustion reaction
b.	single-replacement reaction	d.	decomposition reaction

18.

a reaction in which a single compound is broken down into simpler substances

19.

a reaction in which oxygen reacts with another substance, often producing heat or light

20.

a reaction in which the atoms of one element replace the atoms of a second element in a compound

21.

a list of metals in order of decreasing reactivity

Match each of the following with the correct formula

a.	CaCO3	e.	H2O2
b.	NaClO	f.	C3H8O
c.	MgSO4	g.	CH3COOH
d.	NH3

22.

Limestone

23.

Bleach

24.

Epson Salt

25.

Ammonia

26.

Hyddrogen Peroxide

27.

Isopropyl Alcohol

28.

Acetic Acid

Multiple Choice
Identify the choice that best completes the statement or answers the question.

29.

Which field of science studies the composition and structure of matter?

a.	physics	c.	chemistry
b.	biology	d.	geology

30.

The variable that is observed during an experiment is called what type of variable?

a.	independent	c.	controlling
b.	manipulated	d.	responding

31.

Which of the following is NOT an example of matter?

a.	air	c.	smoke
b.	heat	d.	water vapor

32.

Which of the following is NOT a physical property of water?

a.	It has a boiling point of 100C.
b.	It is a colorless liquid.
c.	It is composed of hydrogen and oxygen.
d.	Sugar dissolves in it.

33.

Which of the following are considered physical properties of a substance?

a.	color and odor	c.	malleability and hardness
b.	melting and boiling points	d.	all of the above

34.

A substance that forms a vapor is generally in what physical state at room temperature?

a.	solid	c.	gas
b.	liquid	d.	liquid or solid

35.

Which of the following is a physical change?

a.	corrosion	c.	evaporation
b.	explosion	d.	rotting of food

36.

Which of the following is a heterogeneous mixture?

a.	air	c.	steel
b.	salt water	d.	soil

37.

Which of the following is true about homogeneous mixtures?

a.	They are known as solutions.
b.	They consist of two or more phases.
c.	They have compositions that never vary.
d.	They are always liquids.

38.

Which of the following is a heterogeneous mixture?

a.	vinegar in water	c.	oil and vinegar
b.	milk	d.	air

39.

An example of a homogeneous mixture is ____.

a.	water	c.	noodle soup
b.	stainless steel	d.	oxygen

40.

Which of the following items is NOT a compound?

a.	baking soda	c.	sucrose
b.	salad dressing	d.	table salt

41.

What is one difference between a mixture and a compound?

a.	A compound consists of more than one phase.
b.	A compound can only be separated into its components by chemical means.
c.	A mixture can only be separated into its components by chemical means.
d.	A mixture must be uniform in composition.

42.

The chemical symbol for iron is ____.

a.	fe	c.	Fe
b.	FE	d.	Ir

43.

Which of the following is NOT a physical change?

a.	grating cheese	c.	fermenting of cheese
b.	melting cheese	d.	mixing two cheeses in a bowl

44.

A chemical change occurs when a piece of wood ____.

a.	is split	c.	decays
b.	is painted	d.	is cut

45.

Chemical reactions ____.

a.	occur only in living organisms	c.	only occur outside living organisms
b.	create and destroy atoms	d.	produce new substances

46.

Chemical equations ____.

a.	describe chemical reactions
b.	show how to write chemical formulas
c.	give directions for naming chemical compounds
d.	describe only biological changes

47.

In the chemical equation HO(aq) ® HO(l)

O(g), the

is a ____.

a.	catalyst	c.	product
b.	solid	d.	reactant

48.

A catalyst is ____.

a.	the product of a combustion reaction
b.	not used up in a reaction
c.	one of the reactants in single-replacement reactions
d.	a solid product of a reaction

49.

Which of the following is the correct skeleton equation for the reaction that takes place when solid phosphorus combines with oxygen gas to form diphosphorus pentoxide?

a.	P(s) O(g) ® PO(g)	c.	P(s) O₂(g) ® PO(s)
b.	P(s) O(g) ® PO(g)	d.	PO(s) ® P(s) O(g)

50.

What are the coefficients that will balance the skeleton equation below?
N + H

a.	1, 1, 2	c.	3, 1, 2
b.	1, 3, 3	d.	1, 3, 2

51.

When the following equation is balanced, what is the coefficient for HCl?
Mg(s)

HCl(aq)

MgCl(aq)

(g)

a.	6	c.	1
b.	3	d.	2

52.

Chemical equations must be balanced to satisfy ____.

a.	the law of definite proportions	c.	the law of conservation of mass
b.	the law of multiple proportions	d.	Avogadro’s principle

53.

When the equation KClO(s)

KCl(s) + O(g) is balanced, the coefficient of KClO₃ is ____.

a.	1	c.	3
b.	2	d.	4

54.

What are the missing coefficients for the skeleton equation below?
Cr(s)

Fe(NO)(aq)

Fe(s)

Cr(NO)(aq)

a.	4, 6, 6, 2	c.	2, 3, 3, 2
b.	2, 3, 2, 3	d.	1, 3, 3, 1

55.

What are the missing coefficients for the skeleton equation below?
Al(SO)(aq)

KOH(aq) ® Al(OH)(aq)

KSO(aq)

a.	1, 3, 2, 3	c.	4, 6, 2, 3
b.	2, 12, 4, 6	d.	1, 6, 2, 3

56.

In a combustion reaction, one of the reactants is ____.

a.	hydrogen	c.	oxygen
b.	nitrogen	d.	a metal

57.

In a double-replacement reaction, the ____.

a.	products are always molecular
b.	reactants are two ionic compounds
c.	reactants are two elements
d.	products are a new element and a new compound

Short Answer

58.

Identify the following and list its Common Name, Family, Genus and Species

59.

Identify the following and list its Common Name, Family, Genus and Species

60.

Identify the following and list its Common Name, Family, Genus and Species

61.

Identify the following and list its Common Name, Family, Genus and Species

62.

Identify the following and list its Common Name, Family, Genus and Species What are the symptoms of getting bit by this?

63.

This plant has been used in traditional medicine to relieve asthma symptoms and as an analgesic during surgery or bonesetting. It is also a powerful hallucinogen and deliriant, which is used entheogenically for the intense visions it produces. However, the tropane alkaloids responsible for both the medicinal and hallucinogenic properties are fatally toxic in only slightly higher amounts than the medicinal dosage, and careless use often results in hospitalizations and deaths. What is the genus and species of this plant?

Essay

64.

Define element and compound. Explain the difference between an element and a compound.

65.

Describe some of the physical and chemical changes involved in cooking.

66.

State the law of conservation of mass. Then apply the law to this question: What would be the total mass of the products of a reaction in which 10 grams of water decomposes into the elements hydrogen and oxygen?