Name: Score:
90 Multiple choice questions
Term
Name the acid: H2SO4
phosphoric acid
nitric acid
hydrochloric acid
sulfuric acid1 of 90
Term
Combustion
reactions that evolve a gas
type of redox reaction
27 g of water
# of electrons2 of 90 Term
sig fig rul es for addition and subtr action
signific ant-
all nonz eros
zeros sandwiche d bt nonz eros
zeros that trail a decimal
not signific ant-
placehol ders
zeros that trail without a decimal .
the answer has the same number of decimal places as there are in the me asurement with
the fewest decimal places
name of metal (cation) then charge of the met al in roman numer als in parenthe sis then
base name of nonmet al (anion ) -ide
ex- iron (III) chloride
thermal ener gy, heat emitt ed or absorbe d when a reaction occurs at constant pressure.3 of 90
Term
law of definite proportions
M- obtained using a tool
E- obtained by counting
19,00,000 J and 1900 KJ
a given compound always contains exactly the same pr oportion of element s by mass
Physical- mel ting & boiling point , solubility, odor, color and density
Chemic al- reactivity of molecules resulting in change in compo sition4 of 90 Term
Limiting R eactant
Reactant that mak es the l east amount of product
reaction that forms a solid or precipit ate when two aqueou s solutions are mix ed.
reactions that form water when an acid and b ase are mix ed
reactions that evolve a gas5 of 90
Term
Acid/B ase(Neutr alization) reactions
reactions that form water when an acid and b ase are mix ed
Amount of product based on the amount of limiting r eactant
Reactant that mak es the l east amount of product
The number of protons (their atomic number )6 of 90
Term
Law of Conser vation of Ener gy
Element s can combine in different ratios to form different compounds.
reactions that evolve a gas
Ener gy cannot be created or destroyed
M- obtained using a tool
E- obtained by counting7 of 90 Term
A person burns 450 kcal on a long walk. Calculate the ener gy used for the walk in joul es and
kilojoul es
2,000,000 J and 1900 K j
-3,100,000 J and 1900 K j
19,00,000 J and 1900 KJ
1,890,000 J and 1900 K j8 of 90
Term
combina tion
M X C X ∆ t
A+B-->C
Metals, Nonmet als, Met alloids
Molecular And Ionic9 of 90
Term
# of protons
atoms
# of neutr ons
atomic number
# of electrons10 of 90
90 Multiple choice questions
Term
Name the acid: H2SO4
phosphoric acid
nitric acid
hydrochloric acid
sulfuric acid1 of 90
Term
Combustion
reactions that evolve a gas
type of redox reaction
27 g of water
# of electrons2 of 90 Term
sig fig rul es for addition and subtr action
signific ant-
all nonz eros
zeros sandwiche d bt nonz eros
zeros that trail a decimal
not signific ant-
placehol ders
zeros that trail without a decimal .
the answer has the same number of decimal places as there are in the me asurement with
the fewest decimal places
name of metal (cation) then charge of the met al in roman numer als in parenthe sis then
base name of nonmet al (anion ) -ide
ex- iron (III) chloride
thermal ener gy, heat emitt ed or absorbe d when a reaction occurs at constant pressure.3 of 90
Term
law of definite proportions
M- obtained using a tool
E- obtained by counting
19,00,000 J and 1900 KJ
a given compound always contains exactly the same pr oportion of element s by mass
Physical- mel ting & boiling point , solubility, odor, color and density
Chemic al- reactivity of molecules resulting in change in compo sition4 of 90 Term
Limiting R eactant
Reactant that mak es the l east amount of product
reaction that forms a solid or precipit ate when two aqueou s solutions are mix ed.
reactions that form water when an acid and b ase are mix ed
reactions that evolve a gas5 of 90
Term
Acid/B ase(Neutr alization) reactions
reactions that form water when an acid and b ase are mix ed
Amount of product based on the amount of limiting r eactant
Reactant that mak es the l east amount of product
The number of protons (their atomic number )6 of 90
Term
Law of Conser vation of Ener gy
Element s can combine in different ratios to form different compounds.
reactions that evolve a gas
Ener gy cannot be created or destroyed
M- obtained using a tool
E- obtained by counting7 of 90 Term
A person burns 450 kcal on a long walk. Calculate the ener gy used for the walk in joul es and
kilojoul es
2,000,000 J and 1900 K j
-3,100,000 J and 1900 K j
19,00,000 J and 1900 KJ
1,890,000 J and 1900 K j8 of 90
Term
combina tion
M X C X ∆ t
A+B-->C
Metals, Nonmet als, Met alloids
Molecular And Ionic9 of 90
Term
# of protons
atoms
# of neutr ons
atomic number
# of electrons10 of 90
