Q1: What is chemistry?
A: Chemistry is the branch of science that
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deals with the properties, composition, and
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structure of substances and the changes they
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undergo.
Q2: What are the two main types of changes
in chemistry?
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A: Physical and chemical changes.
Q3: What does "structure of matter" refer to?
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A: The arrangement of atoms in matter.
Q4: How can chemical changes be brought
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about?
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A: By absorption or evolution of energy.
Branches of Chemistry
1. Physical Chemistry
Q5: What does physical chemistry study?
A: The behavior of substances at atomic and
molecular levels.
, Q6: What does physical chemistry help predict
and optimize?
A: Rates of reactions and industrial reaction
conditions.
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2. Inorganic Chemistry
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Q7: What does inorganic chemistry study?
A: Elements and compounds that contain little
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or no carbon.
Q8: What are some uses of inorganic
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compounds?
A: Fertilizers, medicines, catalysts, pigments,
coatings.
3. Organic Chemistry
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A
Q9: What does organic chemistry focus on?
A: Carbon compounds like hydrocarbons and
their derivatives.
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Q10: Where are organic compounds commonly
found?
A: In all forms of life and are essential for life.