Metals and Non- Metals Assignment

Metals and Non- Metals Assignment

1 Mark Questions:

1. What is the distinguishing property of metals related to their surface?
2. Which non-metal is an exception to the rule that non-metals are not lustrous?
3. What is the exception to metals existing as solids except for mercury?
4. Which property allows metals to be drawn into wires?
5. Name a non-metal that is a good conductor of electricity.
6. Which metal is an exception to being a good conductor of electricity and heat?
7. What is the general trend of density for metals?
8. Which metal reacts with oxygen to form copper oxide?
9. What are oxides of metals that can react with both acids and bases known as?
10. What is the series that arranges metals in decreasing order of reactivity called?

2 Marks Questions:

1. Explain the concept of amphoteric oxides with an example.
2. Describe the chemical reaction of metals with water, using sodium as an example.
3. How do non-metals react with oxygen, and provide an example?
4. Explain the reactivity series and its significance.
5. Discuss the properties of ionic compounds.
6. Define covalent bond and provide an example of a compound formed by it.
7. What is the occurrence of metals in the Earth’s crust known as, and what are minerals from which pure metals can be extracted called?
8. Briefly explain the steps involved in the extraction of metals from their ores.
9. Differentiate between gangue and mineral ores.
10. Explain the methods of extracting metals that are low, middle, and high in the activity series.

3 Marks Questions:

1. Describe the process of electrolytic refining with its application to copper.
2. Explain the phenomenon of corrosion and provide an example.
3. Discuss the preventive measures for the corrosion of iron.
4. What is galvanization, and how does it protect iron and steel from rusting?
5. Define alloys and provide examples of alloys involving copper.
6. Describe the process of roasting and calcination in the extraction of metals. Provide examples of metals that are extracted using these methods and explain the transformations that occur during roasting and calcination.
7. Discuss the concept of ionic compounds. Explain the properties that distinguish them from covalent compounds and provide examples of ionic compounds. Include information about their solubility, conductivity, and melting/boiling points.
8. Explain the reactivity series and its practical applications in the extraction of metals. Discuss how the position of a metal in the reactivity series influences its method of extraction and reactivity with other substances.
9. Explore the concept of corrosion prevention in detail. Provide multiple methods used to prevent corrosion in metals, explaining the underlying principles behind each method.
10. Discuss the significance of the reactivity series in predicting displacement reactions. Provide examples of displacement reactions involving metals and explain how the reactivity series aids in understanding the outcomes of such reactions.

5 Marks Questions:

1. Elaborate on the extraction of metals that are highly reactive, using sodium as an example.
2. Discuss the various methods of extracting metals in the middle of the activity series.
3. Explain the concept of corrosion prevention in detail.
4. Discuss the applications and significance of the reactivity series in understanding metal reactions.
5. Provide a comprehensive overview of the properties, applications, and examples of alloys.
6. Discuss the chemical properties of metals, including their reactions with oxygen, water, and acids. Provide specific examples and balanced chemical equations to support your explanation.
7. Explain the extraction process of metals from their ores, emphasizing the steps involved in enrichment, extraction, and refining. Use specific examples to illustrate each step in the extraction of a metal.
8. Elaborate on the reactivity series of metals. Discuss its significance in predicting the behavior of metals and their compounds in various chemical reactions. Provide examples and explanations for metals at different positions in the series.
9. Examine the phenomenon of corrosion in metals. Discuss the factors influencing corrosion, the chemical reactions involved, and methods to prevent or mitigate corrosion. Illustrate your answer with real-life examples.
10. Provide an in-depth analysis of ionic compounds, covering their properties, formation, and applications. Discuss the role of the transfer of electrons in the formation of ionic compounds and explain how their properties differ from those of covalent compounds.