• Glass is formed by heating sand (silica) with sodium carbonate or calcium carbonate. The molten liquid cools into a hard and transparent material. The addition of metal oxides alters the color of the resulting glass. Beta-titanium is composed primarily of titanium and heat-treated with a mix of metals such as aluminum and vanadium. The resulting material has high strength and corrosion resistance, and is used in dental implants and aircraft parts. • Iron (II) sulfide is formed by heating metallic iron and elemental sulfur. This results in the formation of a non-magnetic all-black mineral. Given the three statements above, which of the following is TRUE? ● Select one: a. Only one material is classified as a homogeneous mixture. O b. Only one material is classified as a pure substance. O c. All materials are classified as homogeneous mixtures. O d. All materials are classified as pure substances. 3
• Glass is formed by heating sand (silica) with sodium carbonate or calcium carbonate. The molten liquid cools into a hard and transparent material. The addition of metal oxides alters the color of the resulting glass. Beta-titanium is composed primarily of titanium and heat-treated with a mix of metals such as aluminum and vanadium. The resulting material has high strength and corrosion resistance, and is used in dental implants and aircraft parts. • Iron (II) sulfide is formed by heating metallic iron and elemental sulfur. This results in the formation of a non-magnetic all-black mineral. Given the three statements above, which of the following is TRUE? ● Select one: a. Only one material is classified as a homogeneous mixture. O b. Only one material is classified as a pure substance. O c. All materials are classified as homogeneous mixtures. O d. All materials are classified as pure substances. 3
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter21: The Chemistry Of The Main Group Elements
Section: Chapter Questions
Problem 128SCQ
Related questions
Question
![• Glass is formed by heating sand (silica) with sodium carbonate or calcium carbonate. The
molten liquid cools into a hard and transparent material. The addition of metal oxides
alters the color of the resulting glass.
• Beta-titanium is composed primarily of titanium and heat-treated with a mix of metals
such as aluminum and vanadium. The resulting material has high strength and corrosion
resistance, and is used in dental implants and aircraft parts.
• Iron (II) sulfide is formed by heating metallic iron and elemental sulfur. This results in the
formation of a non-magnetic all-black mineral.
Given the three statements above, which of the following is TRUE?
Select one:
O a. Only one material is classified as a homogeneous mixture.
O b. Only one material is classified as a pure substance.
All materials are classified as homogeneous mixtures.
O c.
O d. All materials are classified as pure substances.
می](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fcf34056e-45da-433f-9367-d42b5e6c5544%2Fb3e57d14-98e7-4ae1-90a2-4c2e2dd05256%2F8ajnx6k_processed.png&w=3840&q=75)
Transcribed Image Text:• Glass is formed by heating sand (silica) with sodium carbonate or calcium carbonate. The
molten liquid cools into a hard and transparent material. The addition of metal oxides
alters the color of the resulting glass.
• Beta-titanium is composed primarily of titanium and heat-treated with a mix of metals
such as aluminum and vanadium. The resulting material has high strength and corrosion
resistance, and is used in dental implants and aircraft parts.
• Iron (II) sulfide is formed by heating metallic iron and elemental sulfur. This results in the
formation of a non-magnetic all-black mineral.
Given the three statements above, which of the following is TRUE?
Select one:
O a. Only one material is classified as a homogeneous mixture.
O b. Only one material is classified as a pure substance.
All materials are classified as homogeneous mixtures.
O c.
O d. All materials are classified as pure substances.
می
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