9) Which of the following is NOT a major component of the earth's rocks and minerals? A) carbonates B) organic compounds C) oxides D) silicates 10) Limestone is consists of A) Al2O3. B) CaCO3. C) Fe2O3. D) PbS. 11) Which of the following technological advances was NOT made possible by access to high temperatures? A) manufacture of glass B) extraction of metals from ores C) manufacture of ceramic bricks and port D) All of the above were made possible by access to high temperatures. 12) Pure quartz is composed of A) silicon and oxygen. B) silicon, oxygen and metals. C) silicon, sulfur and metals. D) calcium, oxygen and metals.
9) Which of the following is NOT a major component of the earth's rocks and minerals? A) carbonates B) organic compounds C) oxides D) silicates 10) Limestone is consists of A) Al2O3. B) CaCO3. C) Fe2O3. D) PbS. 11) Which of the following technological advances was NOT made possible by access to high temperatures? A) manufacture of glass B) extraction of metals from ores C) manufacture of ceramic bricks and port D) All of the above were made possible by access to high temperatures. 12) Pure quartz is composed of A) silicon and oxygen. B) silicon, oxygen and metals. C) silicon, sulfur and metals. D) calcium, oxygen and metals.
Chapter18: Electrochemistry
Section: Chapter Questions
Problem 131AE
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Transcribed Image Text:9) Which of the following is NOT a major component of the earth's rocks and minerals?
A) carbonates
B) organic compounds
C) oxides
D) silicates
10) Limestone is consists of
A) Al2O3.
B) CaCO3.
C) Fe2O3.
D) PbS.
11) Which of the following technological advances was NOT made possible by access to high temperatures?
A) manufacture of glass
B) extraction of metals from ores
C) manufacture of ceramic bricks and pot
D) All of the above were made possible by access to high temperatures.
12) Pure quartz is composed of
A) silicon and oxygen.
B) silicon, oxygen and metals.
C) silicon, sulfur and metals.
D) calcium, oxygen and metals.
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