Podcast
Questions and Answers
Aqua regia is capable of dissolving which of the following noble metals?
Aqua regia is capable of dissolving which of the following noble metals?
- Silver and Copper
- Iron and Lead
- Aluminum and Zinc
- Gold and Platinum (correct)
Which of the following metals reacts most vigorously with cold water?
Which of the following metals reacts most vigorously with cold water?
- Gold
- Copper
- Magnesium
- Potassium (correct)
Considering reactivity, which of the following metals would be expected to react most readily with other substances?
Considering reactivity, which of the following metals would be expected to react most readily with other substances?
- Lead
- Mercury
- Sodium (correct)
- Iron
Which of the following metals exists in a liquid state at room temperature?
Which of the following metals exists in a liquid state at room temperature?
Which metal is known for its high thermal conductivity, making it useful in applications requiring efficient heat transfer?
Which metal is known for its high thermal conductivity, making it useful in applications requiring efficient heat transfer?
Which of the following is classified as a non-metal?
Which of the following is classified as a non-metal?
Among the following metals, which demonstrates the highest level of reactivity?
Among the following metals, which demonstrates the highest level of reactivity?
Which of the following properties is NOT typically associated with metals?
Which of the following properties is NOT typically associated with metals?
To prevent an iron frying pan from rusting, which method is most suitable?
To prevent an iron frying pan from rusting, which method is most suitable?
Which of the following pairs will result in a displacement reaction?
Which of the following pairs will result in a displacement reaction?
Flashcards
Aqua regia
Aqua regia
Aqua regia is an acid that can dissolve gold and platinum.
Fast-reacting metal
Fast-reacting metal
Potassium is a metal that reacts fast with cold water.
Highly reactive metal
Highly reactive metal
Sodium is a highly reactive metal.
Liquid metal
Liquid metal
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Good heat conductor
Good heat conductor
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Example of a non-metal
Example of a non-metal
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Most reactive metal
Most reactive metal
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Non-metal property
Non-metal property
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Rust prevention method
Rust prevention method
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Displacement reaction example
Displacement reaction example
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Study Notes
- Metals and Non-Metals are discussed in Chapter 3.
Objective Type Questions
- Aqua regia can dissolve gold and platinum.
- Potassium reacts fast with cold water.
- Sodium is a highly reactive metal.
- Mercury exists in liquid state.
- Copper is a comparatively good conductor of heat.
- Hydrogen is an example of non-metal.
- Na (Sodium) is the most reactive metal.
- Brittleness is the property that is not represented by metals.
- Applying a coating of zinc is suitable for preventing an iron frying pan from rusting.
- AgNO3 solution and copper metal will give a displacement reaction.
- Calcium reacts with oxygen to give a compound with a high melting point, and this compound is also soluble in water.
- Food cans are coated with tin and not zinc because zinc is more reactive than tin.
Fill in the Blanks
- The constituents of the alloy named solder are Lead and Tin.
- Mercury is in liquid state at normal temperature.
- Silver is the best conductor of heat and electricity.
- Metals are found in free state in nature.
- Pure gold is of 24 carat.
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