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Consider the following statements with respect to noble metals:
1. Noble metals are found in pure form in nature.
2. Uranium and lead are examples of noble metal.
1. Noble metals are found in pure form in nature.
2. Uranium and lead are examples of noble metal.
- a)Brass is also noble metal
- b)1 only
- c)2 only
- d)Both 1 and 2
Correct answer is option 'B'. Can you explain this answer?
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Consider the following statements with respect to noble metals:1. Nobl...
The correct answer is 1 only.
Noble metals
- These metals have high heat resistance, high corrosion resistance, high melting points, and unique catalytic properties.
- They are usually found in nature in their pure form. (Hence, Statement 1 is correct)
- Gold (Ag), Silver (Ag), Platinum (Pt) and Platinum metals are Noble metals. (Hence, statement 2 is incorrect)
- Here, Pt, osmium (Os), iridium (Ir), ruthenium (Ru), rhodium (Rh), and palladium (Pd), are collectively called platinum metals.
- Because they are so nonreactive, they don't corrode easily. This makes them ideal for jewelry and coins.
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Consider the following statements with respect to noble metals:1. Nobl...
Noble Metals
Noble metals are a group of metals that have certain distinct properties, making them highly valuable and sought after. These metals are known for their resistance to corrosion and oxidation, as well as their ability to withstand high temperatures. Some common examples of noble metals include gold, silver, platinum, and palladium.
Statement 1: Noble metals are found in pure form in nature.
This statement is true. Noble metals are often found in nature in their pure form, which means they are not combined with other elements. This is due to their low reactivity and resistance to corrosion. For example, gold nuggets are often found in rivers and streams in their pure form, without the need for extensive refining processes. Similarly, platinum and palladium are also found in nature in their elemental state.
Statement 2: Uranium and lead are examples of noble metal.
This statement is false. Uranium and lead are not considered noble metals. Uranium is a radioactive metal that is highly reactive and undergoes radioactive decay, while lead is a heavy metal that is more prone to corrosion and oxidation. Noble metals, on the other hand, are characterized by their low reactivity and resistance to corrosion.
Summary:
- Noble metals are highly valued for their resistance to corrosion and oxidation, as well as their ability to withstand high temperatures.
- Noble metals are often found in nature in their pure form, without the need for extensive refining processes.
- Examples of noble metals include gold, silver, platinum, and palladium.
- Uranium and lead are not considered noble metals due to their high reactivity and susceptibility to corrosion.
Noble metals are a group of metals that have certain distinct properties, making them highly valuable and sought after. These metals are known for their resistance to corrosion and oxidation, as well as their ability to withstand high temperatures. Some common examples of noble metals include gold, silver, platinum, and palladium.
Statement 1: Noble metals are found in pure form in nature.
This statement is true. Noble metals are often found in nature in their pure form, which means they are not combined with other elements. This is due to their low reactivity and resistance to corrosion. For example, gold nuggets are often found in rivers and streams in their pure form, without the need for extensive refining processes. Similarly, platinum and palladium are also found in nature in their elemental state.
Statement 2: Uranium and lead are examples of noble metal.
This statement is false. Uranium and lead are not considered noble metals. Uranium is a radioactive metal that is highly reactive and undergoes radioactive decay, while lead is a heavy metal that is more prone to corrosion and oxidation. Noble metals, on the other hand, are characterized by their low reactivity and resistance to corrosion.
Summary:
- Noble metals are highly valued for their resistance to corrosion and oxidation, as well as their ability to withstand high temperatures.
- Noble metals are often found in nature in their pure form, without the need for extensive refining processes.
- Examples of noble metals include gold, silver, platinum, and palladium.
- Uranium and lead are not considered noble metals due to their high reactivity and susceptibility to corrosion.
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Consider the following statements with respect to noble metals:1. Noble metals are found in pure form in nature.2. Uranium and lead are examples of noble metal.a)Brass is also noble metalb)1 onlyc)2 onlyd)Both 1 and 2Correct answer is option 'B'. Can you explain this answer?
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