D. Answer the following questions in one word or a single sentence.
1. The metal foil used for wrapping food is made up of which metal
2. Which metal is used in thermometers?
3. Which non-metal is essential for breathing?
4. What is the alloy of iron, nickel and chromium known as?
5. Name the gas released when metals react with acids.
Answers: 2
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Which statement about sound is not true? a. air particles travel with sound waves. b. sound waves cannot travel through a vacuum. c. sound waves exist even if no one hears them. d. air particles vibrate along the path of a sound wave.
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Covalent network solids typically have melting points and boiling points. the chemical formula of a network solid indicates in the molecule.
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C3h8o3 - glycerol major species present when dissolved in water
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Compare and contrast physical changes with chemical changes.
Answers: 3
D. Answer the following questions in one word or a single sentence.
1. The metal foil used for wrap...
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