Braingle: 'Chemical Reactions' Trivia Quiz

Chemical Reactions

Grow, ripen, decay, and burn describe chemical reactions you see every day. Your health is due to chemical reactions inside your body. How well do you know about different types of chemical reactions?

Quiz ID:	#17222
Fun:	(2.51)
Difficulty:	(0.69)
Category:	Science > Chemistry
Created By:	Carlos16

#1 An equation can be balanced by putting numbers, called _______, in front of the chemical formulas.

Subscripts
Coefficients
Elements
Atoms

#2 Reactions are (quicker, slower) at higher pressure than at lower pressure.

Quicker
Slower

#3 Massive, bulky molecules react more (quickly, slowly) than smaller molecules.

Quickly
Slowly

#4 What is a substance that changes the rate of chemical reactions without being consumed called?

Substrate
Catalyst
Inhibitor

#5 What is an enzyme?

An alphabetized list of Rancher Guerra's cows by name
When a chemical reaction and its reverse occur at the same time at the same rate
A protein that is a catalyst for chemical reactions in living things
A catalyst that slows down reactions

#6 A radical is a covalent bond that has been broken, leaving unpaired electrons on molecule fragments.

True
False

#7 Reactions almost always involve more than 1 or 2 atoms.

True
False

#8 Concentrated solutions react (more, less) quickly than less concentrated solutions.

More
Less

#9 An empirical formula is the simplest formula telling the smallest whole-number ratio of atoms in a compound.

True
False

#10 A molecular formula is a formula telling the actual number of atoms in one molecule of a compound.

True
False

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Chemical Reactions

#1 An equation can be balanced by putting numbers, called _______, in front of the chemical formulas.

#2 Reactions are (quicker, slower) at higher pressure than at lower pressure.

#3 Massive, bulky molecules react more (quickly, slowly) than smaller molecules.

#4 What is a substance that changes the rate of chemical reactions without being consumed called?

#5 What is an enzyme?

#6 A radical is a covalent bond that has been broken, leaving unpaired electrons on molecule fragments.

#7 Reactions almost always involve more than 1 or 2 atoms.

#8 Concentrated solutions react (more, less) quickly than less concentrated solutions.

#9 An empirical formula is the simplest formula telling the smallest whole-number ratio of atoms in a compound.

#10 A molecular formula is a formula telling the actual number of atoms in one molecule of a compound.

Comments

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Copyright © 1999-2007 | Green | Privacy | Conditions
You are using the TV formatted version of Braingle. For more functionality, please visit the Full Website.

Chemical Reactions

#1 An equation can be balanced by putting numbers, called _______, in front of the chemical formulas.

#2 Reactions are (quicker, slower) at higher pressure than at lower pressure.

#3 Massive, bulky molecules react more (quickly, slowly) than smaller molecules.

#4 What is a substance that changes the rate of chemical reactions without being consumed called?

#5 What is an enzyme?

#6 A radical is a covalent bond that has been broken, leaving unpaired electrons on molecule fragments.

#7 Reactions almost always involve more than 1 or 2 atoms.

#8 Concentrated solutions react (more, less) quickly than less concentrated solutions.

#9 An empirical formula is the simplest formula telling the smallest whole-number ratio of atoms in a compound.

#10 A molecular formula is a formula telling the actual number of atoms in one molecule of a compound.

Comments

To post a comment, please visit the Full Site

Copyright © 1999-2007 | Green | Privacy | Conditions You are using the TV formatted version of Braingle. For more functionality, please visit the Full Website.

Copyright © 1999-2007 | Green | Privacy | Conditions
You are using the TV formatted version of Braingle. For more functionality, please visit the Full Website.