2. Explain the use of metals in
a) Jewellery
b) Fireworks
Please give answer :)
I will mark the correct answer as brainlist
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2. Explain the use of metals in
a) Jewellery
b) Fireworks
Please give answer :)
I will mark the correct answer as brainlist
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a) Jewellery:
Metals have been an essential component of jewelry for centuries. They are used in various forms, such as coins, bars, wires, and sheets, to create intricate designs and patterns that adorn our bodies and enhance our beauty. Here are some of the most common metals used in jewelry and their properties:
1. Gold (Au): Gold is a precious metal known for its luxurious appearance, durability, and malleability. It is often alloyed with other metals like silver and copper to create different shades and strengths. Gold jewelry is prized for its ability to retain its value over time and resist corrosion.
2. Silver (Ag): Silver is a versatile metal that is used in a wide range of jewelry pieces, from delicate earrings to bold statement necklaces. It is valued for its reflectivity, strength, and affordability. Silver tarnishes over time, but it can be easily polished to restore its luster.
3. Platinum (Pt): Platinum is a rare and valuable metal that is prized for its durability, strength, and resistance to corrosion. It is often used in high-end jewelry pieces, such as engagement rings and wedding bands, due to its luxurious appearance and long lifespan.
4. Titanium (Ti): Titanium is a strong and lightweight metal that is gaining popularity in the jewelry industry. It has a modern and edgy look, and it is hypoallergenic, making it an excellent choice for those with sensitive skin.
5. Stainless Steel (SS): Stainless steel is a durable and affordable metal that is often used in men's jewelry, such as watches and cufflinks. It is resistant to corrosion and can be polished to a high shine.
In addition to their aesthetic appeal, metals in jewelry serve several functional purposes. They can be used to symbolize love and commitment, as in the case of engagement and wedding rings. They can also be used to signify status, wealth, and power, as seen in the ancient civilizations that prized precious metals and gemstones.
b) Fireworks:
Metals play a crucial role in the production of fireworks. They are used as fuel, oxidizers, and color-producing agents to create the dazzling displays of light and sound that we enjoy during festivals and celebrations. Here are some of the most common metals used in fireworks and their roles:
1. Aluminum (Al): Aluminum is a lightweight metal that is commonly used as a fuel in fireworks. It burns quickly and produces a bright flash of light.
2. Iron (Fe): Iron is a key component of firework explosives. When combined with other chemicals, it can produce a powerful explosion that propels the firework into the air.
3. Copper (Cu): Copper is used to create the vibrant colors in fireworks. When heated, copper produces a range of colors, including blue, green, and purple.
4. Zinc (Zn): Zinc is another important metal in firework production. It is used to create sparks and glittering effects that add to the overall spectacle of the display.
In conclusion, metals play a vital role in both jewelry and fireworks, serving both functional and aesthetic purposes. Whether it's gold, silver, platinum, titanium, stainless steel, or one of the many other metals used in these applications, they all contribute to the beauty, durability, and excitement of these products.
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Answer:
a) Metals are used in jewelry because they are malleable and can be easily shaped into intricate designs. Precious metals like gold and silver are highly valued for their luster, durability, and resistance to tarnish.
b) Metals, such as aluminum and magnesium, are used in fireworks as fuel and oxidizers. The combustion of these metals produces colorful and dazzling displays in the form of sparks and flames ..