What represents the charge that the atom would have if the electrons in each bond belonged entirely to the more electronegative atom?
AOxidation number
BAtomic number
CAtomic weight
DElectron affinity
#42📘 reviewer_appEasy
A reduced substance is what type of agent?
AOxidizing agent
BRedox agent
CReducing agent
DNonredox agent
#43📘 reviewer_appEasy
The oxidized substance is what type of agent?
AOxidizing agent
BRedox agent
CReducing agent
DNonredox agent
#44📘 reviewer_appEasy
What is a branch of chemistry which is the study of carbon-containing molecules known as organic compounds?
AOrganic chemistry
BInorganic chemistry
CStoichemistry
DBiochemistry
#45📘 reviewer_appEasy
What crystalline carbon is soft, black, slippery solid that possess metalic luster and conduct electricity?
ACharcoal
BGraphite
CDiamond
DCoke
#46📘 reviewer_appEasy
What is formed when hydrocarbons such as methane are heated in the presence of very little oxygen?
ACarbon black
BCharcoal
CCoke
DDiamond
#47📘 reviewer_appEasy
What type of carbon is produced when wood is heated intensely in the absence of air?
ACarbon black
BCharcoal
CCoke
DDiamond
#48📘 reviewer_appEasy
What type of carbon is used to remove undesirable odors from air?
ACarbon black
BCharcoal
CCoke
DDiamond
#49📘 reviewer_appEasy
What carbon is produced when coal is strongly heated in the absence of air?
ACarbon black
BCharcoal
CCoke
DDiamond
#50📘 reviewer_appEasy
What type of carbon is used in the manufacture of car tires?
ACarbon black
BCharcoal
CCoke
DDiamond
#51📘 reviewer_appEasy
Organic compounds:
Aare generally soluble in non-polar solvents
Bare usually flammable and combustible
Chave presence of covalent bond
Dall of these
#52📘 reviewer_appEasy
Inorganic compounds:
Aare rarely soluble in nonpolar solvent
Bare generally non flammable
Chave presence of ionic bond
Dall of these
#53📘 reviewer_appEasy
The organic compounds are related to each other by a common feature involving a certain arrangement of atoms called ________
Ahydrocarbons
Bchain
Cfunctional groups
Dalkanes
#54📘 reviewer_appEasy
What is the simplest and most commonly encountered class of organic compounds?
ACarbides
BOxides
CCarbon Oxides
DHydrocarbons
#55📘 reviewer_appEasy
Based on the type of bond existing between two carbon atoms, how do hydrocarbons classified?
ASaturated and unsaturated
BPure and unpure
COrganic and inorganic
DNatural and artificial
#56📘 reviewer_appEasy
What hydrocarbons contain only single bonds?
AAlkanes
BAlkyne
CAlkene
DBenzene
#57📘 reviewer_appEasy
When a hydrocarbon consists of carbon links that form a long, straight or branched chain, it is classified as ________ type
Acyclic
Bchain
Cpole
Dlinear
#58📘 reviewer_appEasy
When hydrocarbon consists of carbon links that form a ring, it is classified as ________ type
Acyclic
Bchain
Cpole
Dlinear
#59📘 reviewer_appEasy
The aromatic hydrocarbons contain the structural unit called _________
Aalkyne
Bbenzene
Calkene
Dalkane
#60📘 reviewer_appEasy
What is a six-carbon ring with three alternating double bonds, or closely related rings or rings of similar nature where nitrogen replaces carbon in one or more ring positions?