Z.S.N.H.S – SPED
III – CHEM.
P3 : # 1
Name :
_____________________________________________ Date : __________
Score:__________
Directions: Encircle the letter
that corresponds to your answer.
1.) It is a compound, composed of
two elements.
a. Binary Compound c.
Single Displacement
b. Ternary Compound
2.) When one of the elements is
metal and the other is non-metal, the resulting compound is composed of
electrically charged atoms called ________.
a. Photons c. Ions
b. Electrons
3.) The electrons in an incomplete
outer shell are called __________ electrons.
a. valence c.
chemical
b. quantum
4.) A ___________________is a
strong attractive force that binds atom together.
a. chemical bond c.
ionic bond
b. covalent bond
5.) The electron transfer results
in _______________ while electron sharing produces covalent bonding.
a. chemical bonding c.
ionic bonding
b. electron bonding
6.) A positively charged ions are
called _________.
a. cations c.
polyatomic ions
b. anions
7.) Determine the oxidation number
of chromium in potassium dichromate, K2Cr2O7.
a. +5
c. +7
b. +6
8.) What is the value of Avogadro’s
Number ?
a. 6.0221367 x 1023 c.
6.331376 x 1021
b. 7.036221 x 1037
9.) Which of these, is
the correct electronic configuration of
Neon?
a. 1s22s22p6 c. 1s22s22p3
b. 1s22s22p63s2
10.) What is the
chemical formula of phosphate?
a. SO4 c. PO4
b. CO4
Good
Luck……..
Z.S.N.H.S – SPED
III – CHEM.
P3 : # 1
Name :
_____________________________________________ Date : __________
Score:__________
Directions: Encircle the letter
that corresponds to your answer.
1.) Who is the father of modern
chemistry?
a. Lavoisier c.
Isidro
b. Darwin d. Ouisimbing
2.) Which of these is an example of
a chemical process?
a. Combustion c. Carjack
b. Combulsion d. Pneumonia
3.) What laboratory instrument is
used in balancing, and that has two plates?
a. triple-beam balance c. platform balance
b. di-beam balance d. double-beam
balance
4.) What are the two types of
matter?
a. pure substances c. molecules
and atoms
b. mixtures and pure
substances d. solvents and
solutions
5.) What is not a pure substance?
a. table sugar c.
spring water
b. table salt d.
distilled water
6.) What is the molarity of a 350.0
mL solution containing 45.0g of LiNO3?
a. 1.26 c.
1.92
b. 1.86
d. 7.5
7.) What is the atomic mass of
oxygen?
a. 12
c. 16
b. 26
d. 23
8.) Define what is given: C12H22O11
a. table salt c. table tennis
b table sugar d.
table napkin
9.) Which is not a solvent?
a. Hydrogen c.
Chlorine
b. Water
d. Oxygen
10.) Comparing unknown quantity and
the standard quantity?
a. measurement c.
conversion
b. factors
d. scientific notation
Good Luck……..
Z.S.N.H.S – SPED
III – CHEM.
P3 : # 1
Name :
_____________________________________________ Date : __________
Score:__________
Directions: Encircle the letter
that corresponds to your answer.
1.) It uses symbols and formulas to
represent chemical reaction, observing the law of conservation of mass.
a. chemical reaction c. reactants
b. products
d. chemical equation
2.) ____________reaction occurs
when heat is released by the reacting system into it’s surroundings.
a. reactants c. endothermic
b. exothermic d.
products
3.) ____________reaction occurs
when heat is absorbed by the reacting system from the surroundings.
a. reactants c. endothermic
b. exothermic d.
products
4.) Involves chemical change due to
combination of substances or decomposition of
a substances, all resulting in the formation of new substance.
a. chemical equation c. products
b. reactants
d. chemical reaction
5.) Indicates that the reaction is
reversible.
6.) Written after a
symbol or a formula to indicate that the physical state of the substance is
solid.
a. (s)
c. (g)
b. (l)
d. (aq)
7.) A compound has 40g
C,6.7g H and 53.3 O. It has molecular weight of 90. Find the EF and MF.
a. C3H6O3 c. C3H2O3
b. CH2O d. C3H4O3
8.) A compound has
82.76 g C, and 14.24g H. It has a molecular weight of 58. Find the EF and MF.
a. C2H3
c. C4H12
b. C2H5
d. C4H5
9.) ______________ is
the one that participates or enter into a chemical reaction.
a. products
c. endothermic
b. reactants d.
none of the above
10.) It is the new substance produced by the
reaction.
a. products b. reactants c. chemical equation d. none of the above
Z.S.N.H.S – SPED
III – CHEM.
P3 : # 1
Name :
_____________________________________________ Date : __________
Score:__________
Directions: Encircle the letter
that corresponds to your answer.
1.) It is the symbolic
representation of a chemical reaction.
a. neutralization c.
ionic equations
b. chemical decomposition d. chemical equations
2.) What do you call the separation
of chemical compound into elements or simpler forms?
a. neutralization c.
ionic equations
b. chemical decomposition d. chemical
equations
3.) Several reactants form a single
product.
a. decomposition c.
single displacement
b. combination d. double
displacement
4.) Which of these does not belong
to the group?
5.) When copper
combines with oxygen with the application of heat, the balanced reaction would
be _______________________.
a. decomposition c.
single displacement
b. combination
d. double displacement
7.) What is the symbol
for Pratactinium?
a. Pm
c. Pa
b. Pl
d. Pr
8.) What is the
electronic configuration of Kr?
a. (Ar) 1s2 3d10
4p5 c. 1s2
2s2 2p6 3s2 3p6 4s2 3d10
4p6
b. 1s2
2s2 2p6 3s2 3p6 4s2 3d10 d. (Ne) 3s2
3p5
9.) Who is the Russian chemist, best known for
his development of the periodic law of the properties of the chemical elements?
a.) Neil Armstrong c.
Antoine Lavoiser
b.) Amedeo Avogadro d. Dmitry
Ivanovich Mendeleyev
10.) What are the uses of the element Bismuth (Bi)
?
a. to produce mendelium c. cables,
wires, water, gun metals
b. jewelries, coins ,satellite
coating d. paints, fuses
,fire extuinguisher
Z.S.N.H.S – SPED
III – CHEM.
P3 : # 1
Name :
_____________________________________________ Date : __________
Score:__________
Directions: Encircle the letter
that corresponds to your answer.
1.) Most ________________ come from
vehicles, factories and refineries.
a. air pollutants c.
environmental change
b. water pollutants d. water
2.) _____________ is the energy
associated with the motion of particles.
a. Potential energy c. a only
b. Kinetic energy d. both a and b
3.) The most immediate environment
is the ____________.
a. atmosphere c.
stratosphere
b. hydrosphere d.
troposphere
4.) The force acting on a unit area
is called ____________.
a. mesospheric pressure c. atmospheric pressure
b. stratospheric pressure d. tropospheric pressure
5.) In the _____________,air
constantly circulates. Clouds, fog ,rain , lightning ,wind ,air currents and
temperature.
a. troposphere c. atmosphere
b. stratosphere d.
mesosphere
6.) The ______________ is a source
of important gases needed for industrial and medical purposes.
a. troposphere c. atmosphere
b. stratosphere d.
mesosphere
7.) Many substances contribute to
atmospheric changes. The substance is called _______.
a. pollutants c.
pollution
b. stratosphere d.
troposphere
8.) Both carbon dioxide and water
vapor are called ___________.
a. green house acids c. hydroxides
b. green house effects d. green house gases
9.) Liquid and solid particles produced
by erosion or spraying and grinding processes.
a. CFC
c. Lithium
b. Oxygen d.
CO
10.) This heat is released back to
the lower atmosphere as their molecules vibrate. This is called the
_________________.
a. green house gases c. a only
b. green house effect d. all of the above
Z.S.N.H.S – SPED
III – CHEM.
P3 : # 1
Name :
_____________________________________________ Date : __________
Score:__________
Directions: Encircle the letter
that corresponds to your answer.
1.) What is the other term for
alchemy?
a. chemistry
c. pseudoscience
b. biology d. physics
2.) ____________ is combining
metals to produce more expensive and/or better metals.
a. Alchemy
c. Biology
b. Chemistry d. Science
3.) It is a combination of metals.
a. puthaw
c. brass
b. nickel
d. alloy
4.) It is the achieved when the
measurement is exactly or almost the same
as the actual value.
a. speed
c. preciseness
b. accuracy
d. metallurgy
5.) Who is the father of modern
chemistry?
a. A. Lavoiser
c. Dr. Jose Rizal
b. Shakespear
d. Sir Isaac Newton
6.) It is the amount of matter in
an object. It is called ______________.
a. space
c. gas
b. volume d.
mass
7.) ____________ is the measure of
gravitational force of an object.
a. Mass
c. Molecule
b. Weight
d. Kilogram
8.) What is Earth’s gravitational
acceleration?
a.10.3 k/s2
c. 9.8m/s2
b. 7.2 mbps
d. 6.7 psi
9.)
These are homogenous mixtures made up of solute dissolved in a solvent.
a. solutions
c. solute
b. solvents
d. mixtures
10.) These are substance that is
dissolved.
a. mass
c. solvent
b. juice
d. solute
Z.S.N.H.S – SPED
III – CHEM.
P3 : # 1
Name :
_____________________________________________ Date : __________
Score:__________
Directions: Encircle the letter
that corresponds to your answer.
1.) Used between two formulas to
indicate reactants combined or products formed.
b. +
d. S
2.) N.R. is read as
no_____________.
a. reaction
c. radiation
b. reactant
d. reverse
3.) This occurs when an active substance replaces
another element from it’s compound.
a. single displacement c. equation
b. double displacement d. chemical
formula
4.) Two substances
exchange atom or group s of atoms (polyatomic ions) in this type of reaction.
a. single displacement c. equation
b. double displacement d. chemical
formula
5.) _______________number of atoms
of each element on the reaction side must equal that on the other side.
a. Law of Conservation of Mass c. Exothermic Reaction
b. Endothermic Reaction d. Law of
Interaction
6.) Written after a symbol or
formula to indicate that the physical state of the substance is solid.
a. (s) c. (aq)
b. (g)
d. (l)
7.) It is a new substance formed
from chemical reaction.
a. product
c. base
b. acid
d. reactant
8.) What are the name of heat,
electricity, and radiation?
a. catalysts
c. zoology
b. cat d.
botany
9.) What is the method for
determining a molar mass?
a. mass spectrometer c. mass
conservation
b. mass d. none
10.) The _______________ of a
compound gives the simplest atomic ratio of the elements present in the
compound.
a. empirical formula c.
structural formula
b. molecular formula d. none
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