Questions and Answers
What are the properties of brass compared to German silver and bronze?
Brass is a mixture of copper and zinc, German silver is a mixture of copper, zinc, and nickel, bronze is a mixture of copper and tin
What concentration of fluoride ions in water prevents tooth decay?
1 ppm
What happens if there are high concentrations of fluoride ions in water?
It causes the tooth to become mottled
Why are intravenous injections dissolved in water containing salts at particular ionic concentrations?
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Which component in a homogeneous mixture is typically referred to as the solvent?
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What is the role of fluoride ions in preventing tooth decay?
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Why are intravenous injections dissolved in water containing salts at specific ionic concentrations?
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What distinguishes the properties of brass from that of German silver?
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How do high concentrations of fluoride ions in water affect the tooth?
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What is the component that is present in the largest quantity in a homogeneous mixture?
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