5. What is the action of water on (i) Sodium (ii) Zinc (iii) Copper
Answers
Answer:
Sodium metal reacts rapidly with water to form a colourless basic solution of sodium hydroxide (NaOH) and hydrogen gas (H2). The reaction continues even when the solution becomes basic. The resulting solution is basic because of the dissolved hydroxide. The reaction is exothermic.
In what way and in what form does zinc react with water? This reaction releases hydrogen, which reacts with oxygen explosively. Zinc salts cause a milky turbidity in water in higher concentrations. Additionally, zinc may add an unwanted flavour to water.
Normally less than 10% of your daily copper intake is through water consumption. Consumption of high levels of copper can cause nausea, vomiting, diarrhoea, gastric (stomach) complaints and headaches. A high level of copper in your drinking water will leave a metallic or bitter taste.
Explanation:
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Answer:
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Explanation:
Sodium :
When sodium is added to water, the sodium melts to form a ball that moves around on the surface. It fizzes rapidly, and the hydrogen produced may burn with an orange flame before the sodium disappears.
Zinc :
This reaction releases hydrogen, which reacts with oxygen explosively. Zinc salts cause a milky turbidity in water in higher concentrations. Additionally, zinc may add an unwanted flavour to water.
Copper :
Water absorbs copper as it leaches from plumbing materials such as pipes, fittings, and brass faucets. The amount of copper in your water depends on the types and amounts of minerals in the water, how long water stays in the pipes, the water temperature and acidity.
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