#41📘 reviewer_appEasy
The gain of electrons by a substance is known as ___________
Aoxidation
Bcovalent process
Creduction
Dionic process
#42📘 reviewer_appEasy
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
#43📘 reviewer_appEasy
A reduced substance is what type of agent?
AOxidizing agent
BRedox agent
CReducing agent
DNonredox agent
#44📘 reviewer_appEasy
The oxidized substance is what type of agent?
AOxidizing agent
BRedox agent
CReducing agent
DNonredox agent
#45📘 reviewer_appMedium
What reaction does not involve any change in oxidation number?
ARedox reaction
BNonredox reaction
CReducing reaction
DOxidizing reaction
#46📘 reviewer_appMedium
What is an apparatus that uses a spontaneous redox reaction to generate electricity?
AVoltaic cell
BFuel cell
CLead cell
DNickel Cadmium cell
#47📘 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
#48📘 reviewer_appEasy
What crystalline carbon is soft, black, slippery solid that possess metalic luster and conduct electricity?
ACharcoal
BGraphite
CDiamond
DCoke
#49📘 reviewer_appEasy
What is formed when hydrocarbons such as methane are heated in the presence of very little oxygen?
ACarbon black
BCharcoal
CCoke
DDiamond
#50📘 reviewer_appEasy
What type of carbon is produced when wood is heated intensely in the absence of air?
ACarbon black
BCharcoal
CCoke
DDiamond
#51📘 reviewer_appEasy
What type of carbon is used to remove undesirable odors from air?
ACarbon black
BCharcoal
CCoke
DDiamond
#52📘 reviewer_appEasy
What carbon is produced when coal is strongly heated in the absence of air?
ACarbon black
BCharcoal
CCoke
DDiamond
#53📘 reviewer_appEasy
What type of carbon is used in the manufacture of car tires?
ACarbon black
BCharcoal
CCoke
DDiamond
#54📘 reviewer_appEasy
Organic compounds:
Aare generally soluble in non-polar solvents
Bare usually flammable and combustible
Chave presence of covalent bond
Dall of these
#55📘 reviewer_appEasy
Inorganic compounds:
Aare rarely soluble in nonpolar solvent
Bare generally non flammable
Chave presence of ionic bond
Dall of these
#56📘 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
#57📘 reviewer_appEasy
What is the simplest and most commonly encountered class of organic compounds?
ACarbides
BOxides
CCarbon Oxides
DHydrocarbons
#58📘 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
#59📘 reviewer_appEasy
What hydrocarbons contain only single bonds?
AAlkanes
BAlkyne
CAlkene
DBenzene
#60📘 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