Question 1

Any material used in or produced by a chemical reaction is a ________.

Accepted Answer

chemical

Question 2

There is more traffic between 8 and 9 in the morning because most people start work at 9.This would be a(n)________.

Accepted Answer

A) observation 
B) hypothesis 
C) experiment 
D) theory 
E) all the above 
A) observation 
B) hypothesis 
C) experiment 
D) theory 
E) all the above B

Question 3

Write 0.000 000 33 in scientific notation.

Accepted Answer

A) 3.3 × 107 
B) 3.3 × 10-7 
C) 3.3 × 10-8 
D) 3.3 × 108 
E) 3.3 
A) 3.3 × 107 
B) 3.3 × 10-7 
C) 3.3 × 10-8 
D) 3.3 × 108 
E) 3.3 B

Question 4

Sodium fluorophosphate is a chemical used in toothpaste to ________.

Accepted Answer

A) make the paste white 
B) disinfect the toothbrush 
C) keep the paste from spoiling 
D) remove plaque 
E) strengthen tooth enamel 
A) make the paste white 
B) disinfect the toothbrush 
C) keep the paste from spoiling 
D) remove plaque 
E) strengthen tooth enamel

Question 5

In the number 12.345,the 1 is in the ________ place.

Accepted Answer

A) tens 
B) ones 
C) tenths 
D) hundredths 
E) thousandths 
A) tens 
B) ones 
C) tenths 
D) hundredths 
E) thousandths

Question 6

Express each of the following numbers using scientific notation.
-351 000 000 000

Accepted Answer

The answer of Express each of the following numbers using...

Question 7

One way to enhance your learning in chemistry is to ________.

Accepted Answer

A) study a little every day 
B) form a study group 
C) go to office hours 
D) be an active learner 
E) all the above 
A) study a little every day 
B) form a study group 
C) go to office hours 
D) be an active learner 
E) all the above

Question 8

Substances which prevent spoilage are called ________.

Accepted Answer

The answer of Substances which prevent spoilage are called ________....

Question 9

When a part of the body is injured,substances called ________ are released.

Accepted Answer

A) aspirins 
B) pain relievers 
C) nitrogen oxides 
D) chlorofluorocarbons 
E) prostaglandins 
A) aspirins 
B) pain relievers 
C) nitrogen oxides 
D) chlorofluorocarbons 
E) prostaglandins

Question 10

For the equation 4x + 2 = 10,x equals ________.

Accepted Answer

A) 8 
B) 12 
C) 3 
D) 2 
E) -2 
A) 8 
B) 12 
C) 3 
D) 2 
E) -2

Question 11

The product of (-4)× (-5)is ________.

Accepted Answer

A) -20 
B) +20 
C) -1 
D) +1 
E) 0 
A) -20 
B) +20 
C) -1 
D) +1 
E) 0

Question 12

Write 540 000 in scientific notation.

Accepted Answer

A) 0.54 × 106 
B) 54 × 108 
C) 5.4 × 10-5 
D) 5.4 × 105 
E) 5.4 
A) 0.54 × 106 
B) 54 × 108 
C) 5.4 × 10-5 
D) 5.4 × 105 
E) 5.4

Question 13

One example of a chemical used in toothpaste is ________.

Accepted Answer

A) chlorine 
B) sulfur 
C) carbon dioxide 
D) calcium carbonate 
E) sugar 
A) chlorine 
B) sulfur 
C) carbon dioxide 
D) calcium carbonate 
E) sugar

Question 14

Express each of the following numbers using scientific notation.
-0.000 860

Accepted Answer

The answer of Express each of the following numbers using...

Question 15

In order to enhance your learning in chemistry,you should not ________.

Accepted Answer

A) study a little every day 
B) form a study group 
C) go to office hours 
D) be an active learner 
E) wait until the night before the exam to study 
A) study a little every day 
B) form a study group 
C) go to office hours 
D) be an active learner 
E) wait until the night before the exam to study

Question 16

Express each of the following numbers using scientific notation.
-0.000 000 050

Accepted Answer

The answer of Express each of the following numbers using...

Question 17

In the number 12.345,the 3 is in the ________ place.

Accepted Answer

A) tens 
B) ones 
C) tenths 
D) hundredths 
E) thousandths 
A) tens 
B) ones 
C) tenths 
D) hundredths 
E) thousandths

Question 18

Express each of the following numbers using scientific notation.
-5 207 000

Accepted Answer

The answer of Express each of the following numbers using...

Question 19

An abrasive used in toothpaste is ________.

Accepted Answer

The answer of An abrasive used in toothpaste is ________....

Question 20

Titanium dioxide is a chemical used in toothpaste to ________.

Accepted Answer

A) make the paste white 
B) disinfect the toothbrush 
C) keep the paste from spoiling 
D) remove plaque 
E) strengthen tooth enamel 
A) make the paste white 
B) disinfect the toothbrush 
C) keep the paste from spoiling 
D) remove plaque 
E) strengthen tooth enamel

Any material used in or produced by a chemical reaction is a ________.

There is more traffic between 8 and 9 in the morning because most people start work at 9.This would be a(n)________.

Write 0.000 000 33 in scientific notation.

Sodium fluorophosphate is a chemical used in toothpaste to ________.

In the number 12.345,the 1 is in the ________ place.

Express each of the following numbers using scientific notation. -351 000 000 000

One way to enhance your learning in chemistry is to ________.

Substances which prevent spoilage are called ________.

When a part of the body is injured,substances called ________ are released.

For the equation 4x + 2 = 10,x equals ________.

The product of (-4)× (-5)is ________.

Write 540 000 in scientific notation.

One example of a chemical used in toothpaste is ________.

Express each of the following numbers using scientific notation. -0.000 860

In order to enhance your learning in chemistry,you should not ________.

Express each of the following numbers using scientific notation. -0.000 000 050

In the number 12.345,the 3 is in the ________ place.

Express each of the following numbers using scientific notation. -5 207 000

An abrasive used in toothpaste is ________.

Titanium dioxide is a chemical used in toothpaste to ________.

Chemistry and Measurement

Matter and Energy

Atoms and Elements

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Quantities and Reactions

Gases

Solutions

Acids and Bases and Equilibrium

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, Thiols, Ethers, Aldehydes, and Ketones

Carbohydrates

Carboxylic Acids, Esters, Amines, and Amides

Lipids

Amino Acids, Proteins, and Enzymes

Nucleic Acids and Protein Synthesis

Metabolic Pathways and Energy Production

Filters

Exam 1: Chemistry in Our Lives

Any material used in or produced by a chemical reaction is a ________.

There is more traffic between 8 and 9 in the morning because most people start work at 9.This would be a(n)________.

Write 0.000 000 33 in scientific notation.

Sodium fluorophosphate is a chemical used in toothpaste to ________.

In the number 12.345,the 1 is in the ________ place.

Express each of the following numbers using scientific notation. -351 000 000 000

One way to enhance your learning in chemistry is to ________.

Substances which prevent spoilage are called ________.

When a part of the body is injured,substances called ________ are released.

For the equation 4x + 2 = 10,x equals ________.

The product of (-4)× (-5)is ________.

Write 540 000 in scientific notation.

One example of a chemical used in toothpaste is ________.

Express each of the following numbers using scientific notation. -0.000 860

In order to enhance your learning in chemistry,you should not ________.

Express each of the following numbers using scientific notation. -0.000 000 050

In the number 12.345,the 3 is in the ________ place.

Express each of the following numbers using scientific notation. -5 207 000

An abrasive used in toothpaste is ________.

Titanium dioxide is a chemical used in toothpaste to ________.

Chemistry and Measurement

Matter and Energy

Atoms and Elements

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Quantities and Reactions

Gases

Solutions

Acids and Bases and Equilibrium

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, Thiols, Ethers, Aldehydes, and Ketones

Carbohydrates

Carboxylic Acids, Esters, Amines, and Amides

Lipids

Amino Acids, Proteins, and Enzymes

Nucleic Acids and Protein Synthesis

Metabolic Pathways and Energy Production

Filters