CHEM 101 UNIT 1: Introductory
General Chemistry Exam Questions
with Verified Correct Solutions ||
100% Guaranteed Pass!!!
<RECENT UPDATE>
Laboratory safety is a... - ANSWER ✔ legal responsibility of the employer as well
as an obligation to the employee
What is the federal occupation safety and health act?? - ANSWER ✔ OSHA
When was OSHA made, and what was it the beginning of? - ANSWER ✔ 1977.
formal oversight employee safety
What is the study of life at a molecular level and processes associated with life? -
ANSWER ✔ Biochemistry
The study of matter containing carbon and hydrogen... - ANSWER ✔ Organic
Chemistry
Study of matter of elements not containing hydrogen and carbon... - ANSWER ✔
Inorganic Chemistry
The analysis of matter to determine its composition and quantity of each kind of
matter that is present - ANSWER ✔ Analytical Chemistry
,Physical Chemistry explains what? - ANSWER ✔ The way matter behaves
What is the systemic approach to the discovery of new info? - ANSWER ✔ The
scientific method
Scientific Process - ANSWER ✔ 1. Observation
2. Question
3. Hypothesis
4. Experimentation
5. Data Analysis
a. Theory and Further examination
b. New hypothesis and a new experiment and theory
How are properties of matter classified? - ANSWER ✔ As Physical or Chemical
What type of property can be exhibited, measured, or observed WITHOUT
changing the composition or identity of a substance? - ANSWER ✔ Physical
Property
A physical change produces... - ANSWER ✔ A recognizable difference in the
appearance of a substance WITHOUT any change in composition or identity
What type of property results in the CHANGE in composition and be observed
ONLY THROUGH A CHEMICAL REACTION? - ANSWER ✔ Chemical
property
Chemical Change= - ANSWER ✔ Chemical Reaction
What is the process of rearranging, removing, replacing, or adding atoms to
produce NEW SUBSTANCES - ANSWER ✔ Chemical Reaction
Chemical changes of matter will result in - ANSWER ✔ The formation of an
entirely new substance with an entirely new physical and chemical property
What is an intensive property? - ANSWER ✔ Independent of the quantity of the
substance
-Density
-Specific Gravity
, - Boiling and melting point
-Melting point
-Temp
What is an Extensive Property? - ANSWER ✔ Dependent on the quantity of the
substance
-mass
-volume
-energy
-solubility
-concentration
A substance that has only ONE component is a - ANSWER ✔ Pure substance
An element is a... - ANSWER ✔ Pure substance
A substance resulting in from the combo of two or more elements in a definite,
reproducible way, a fixed ratio. - ANSWER ✔ Compound
Two forms of pure substances are... - ANSWER ✔ Elements and Compounds
Mixtures are divided into what two categories? - ANSWER ✔ Homogeneous and
Heterogeneous
Uniform composition, well mixed particles - ANSWER ✔ Homogenous
ex-air
-sugar dissolved in water
Heterogenous
ex. -Salt and pepper mix - ANSWER ✔ Non-uniform composition, random
placement
Three states of matter are.. - ANSWER ✔ Gas, liquid, solid
Particles close together and organized - ANSWER ✔ Solid
Particles close together but disorganized - ANSWER ✔ Liquid
General Chemistry Exam Questions
with Verified Correct Solutions ||
100% Guaranteed Pass!!!
<RECENT UPDATE>
Laboratory safety is a... - ANSWER ✔ legal responsibility of the employer as well
as an obligation to the employee
What is the federal occupation safety and health act?? - ANSWER ✔ OSHA
When was OSHA made, and what was it the beginning of? - ANSWER ✔ 1977.
formal oversight employee safety
What is the study of life at a molecular level and processes associated with life? -
ANSWER ✔ Biochemistry
The study of matter containing carbon and hydrogen... - ANSWER ✔ Organic
Chemistry
Study of matter of elements not containing hydrogen and carbon... - ANSWER ✔
Inorganic Chemistry
The analysis of matter to determine its composition and quantity of each kind of
matter that is present - ANSWER ✔ Analytical Chemistry
,Physical Chemistry explains what? - ANSWER ✔ The way matter behaves
What is the systemic approach to the discovery of new info? - ANSWER ✔ The
scientific method
Scientific Process - ANSWER ✔ 1. Observation
2. Question
3. Hypothesis
4. Experimentation
5. Data Analysis
a. Theory and Further examination
b. New hypothesis and a new experiment and theory
How are properties of matter classified? - ANSWER ✔ As Physical or Chemical
What type of property can be exhibited, measured, or observed WITHOUT
changing the composition or identity of a substance? - ANSWER ✔ Physical
Property
A physical change produces... - ANSWER ✔ A recognizable difference in the
appearance of a substance WITHOUT any change in composition or identity
What type of property results in the CHANGE in composition and be observed
ONLY THROUGH A CHEMICAL REACTION? - ANSWER ✔ Chemical
property
Chemical Change= - ANSWER ✔ Chemical Reaction
What is the process of rearranging, removing, replacing, or adding atoms to
produce NEW SUBSTANCES - ANSWER ✔ Chemical Reaction
Chemical changes of matter will result in - ANSWER ✔ The formation of an
entirely new substance with an entirely new physical and chemical property
What is an intensive property? - ANSWER ✔ Independent of the quantity of the
substance
-Density
-Specific Gravity
, - Boiling and melting point
-Melting point
-Temp
What is an Extensive Property? - ANSWER ✔ Dependent on the quantity of the
substance
-mass
-volume
-energy
-solubility
-concentration
A substance that has only ONE component is a - ANSWER ✔ Pure substance
An element is a... - ANSWER ✔ Pure substance
A substance resulting in from the combo of two or more elements in a definite,
reproducible way, a fixed ratio. - ANSWER ✔ Compound
Two forms of pure substances are... - ANSWER ✔ Elements and Compounds
Mixtures are divided into what two categories? - ANSWER ✔ Homogeneous and
Heterogeneous
Uniform composition, well mixed particles - ANSWER ✔ Homogenous
ex-air
-sugar dissolved in water
Heterogenous
ex. -Salt and pepper mix - ANSWER ✔ Non-uniform composition, random
placement
Three states of matter are.. - ANSWER ✔ Gas, liquid, solid
Particles close together and organized - ANSWER ✔ Solid
Particles close together but disorganized - ANSWER ✔ Liquid
