#81📘 reviewer_appEasy
Which of the ff statements regarding organic substances is FALSE?
AOrganic susbstances generally dissolve in high concentration acids
BAll organic matter contains carbon
COrganic matter is generally stable at very high temperature
DOrganic substances generally do not dissolve in water
#82📘 reviewer_appEasy
A substance that dissociates in solutions to produce positive and negative ions is called _________
ABase
BAcid
CElectrolyte
DSolvent
#83📘 reviewer_appEasy
Which of the ff is mostly likely to prove that a substance is inorganic?
AThe substance evaporates in room temperature and pressure
BThe substance is heated together with copper oxide and the resulting gases are found to have no effect on limestone
CAnalysis show that the substance contains hydrogen
DThe substance floats in water
#84📘 reviewer_appEasy
Which of the ff elements and compounds is unstable in its pure form?
AHelium
BNeon
CCarbon dioxide
DSodium
#85📘 reviewer_appEasy
What element is known as the lightest metal
AAluminum
BManganese
CMagnesium
DLithium
#86📘 reviewer_appEasy
What refers to the attraction between like molecules?
AAbsorption
BDiffusion
CAdhesion
DCohesion
#87📘 reviewer_appEasy
Which of the ff is the strongest type of bonds?
AVan der Waals
BMetallic
CCovalent
DIonic
#88📘 reviewer_appEasy
When all of the atoms of a molecule are the same, the substance is called a/an ________
Acompound
Bchemical
Celement
Dion
#89📘 reviewer_appEasy
The condition of a liquid electrolyte is measured in terms of its:
Aspecific gravity
Bacid content
Cvoltage output
Dcurrent value
#90📘 reviewer_appEasy
An element maybe define as a substance with all atoms of which have the same ________
Anumber of neutrons
Bradioactivity
Catomic weight
Datomic number
#91📘 reviewer_appEasy
The device which measures the acid content of the cell is called ______
Aacid meter
Bhydrometer
Chygrometer
Dpyrometer
#92📘 reviewer_appEasy
In a copper atom, the valence ring contains how many electrons?
Ano electron
Bone electron
Ctwo electrons
Dfour electrons
#93📘 reviewer_appEasy
What is the opposite of alkali?
#94📘 reviewer_appEasy
The electrolyte is a solution of water and _________
Asulfuric acid
Buric acid
Cnitric acid
Dformic acid
#95📘 reviewer_appEasy
What is a deuteron?
AA neutron plus two protons
BA nucleus containing a neutron and a proton
CAn electron with a positive charge
DA helium nucleus
#96📘 reviewer_appEasy
Which of the ff elements is NOT radioactive?
APlutonium
BCalifornium
CUranium
DCobalt
#97📘 reviewer_appEasy
What are compounds with the same molecular formula but with different structural formula?
AAldehydes
BAmines
CIsomers
DEsters
#98📘 reviewer_appEasy
What is formed when a carboxylic acid and an alcohol react, with water as a by-product?
AAmine
BEster
CPolymer
DTeflon
#99📘 reviewer_appEasy
What common carboxylic acid is found in yogurt?
ALactic acid
BCitric acid
CTartaric acid
DLauric acid
#100📘 reviewer_appEasy
What carboxylic acid is found in grapes?
ALactic acid
BCitric acid
CTartaric acid
DLauric acid
