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Ch 1

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Which is a mixture?

A Water B Carbon dioxide C Air D Sodium chloride

Nadia is studying the chemistry of the atmosphere. She learns about the ozone layer. Which branch of chemistry is concerned with atmospheric chemistry?

A Environmental chemistry B Organic chemistry C Industrial chemistry D Nuclear chemistry

Which is NOT a state of matter?

A Solid B Liquid C Gas D Energy

Samir is studying the chemistry of stars. He learns that stars contain different elements. Which branch of chemistry is focused on the chemistry of celestial bodies?

A Astrochemistry B Organic chemistry C Industrial chemistry D Medicinal chemistry

Tina is studying the relationship between science, technology, and engineering. She learns that science provides knowledge, technology applies it, and engineering designs solutions. Based on this, what is the role of chemistry in developing a new drug?

A Chemistry only provides the raw materials B Chemistry is used in the scientific research and synthesis of the drug C Chemistry is only needed for packaging D Chemistry is not involved in drug development

Which state of matter is highly compressible?

A Solid B Liquid C Gas D Plasma

Usman is a materials scientist. He works on developing stronger and lighter alloys. Which branch of chemistry supports his work?

A Inorganic chemistry and physical chemistry B Organic chemistry C Biochemistry D Nuclear chemistry

Medicinal chemistry helps in making:

A Fuels B Fertilizers C Medicines D Alloys

Xia is studying the chemistry of paints. She learns that paints contain pigments and binders. Which branch of chemistry is involved in paint formulation?

A Polymer chemistry and inorganic chemistry B Biochemistry C Nuclear chemistry D Astrochemistry

A solution is a:

A Heterogeneous mixture B Pure substance C Homogeneous mixture D Compound

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