NCERT Solutions for Chapter 3 - Metals and Non-metals Class 10 Science FREE PDF Download
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NCERT Solutions for Class 10 Science Chapter 3 - Metals and Non Metals
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FAQs on NCERT Solutions for Class 10 Science Chapter 3 - Metals and Non Metals
1. What are we going to study in chapter 3 of Science class 10?
Here is the list of topics and subtopics under NCERT solutions for class 10 science chapter 3 Notes for Metals and Non-Metals:
Physical Properties of Metals And Non-Metals
Chemical Properties Of Metals
The process of metal burning in the air
What happens when metals react with water?
What happens when metals react with acids?
How different metals react with one another
The Reactivity Series
How do Metals and Non-Metals react?
Properties of Ionic Compounds
Occurrence of metals
Extraction of metals
Enrichment of Ores
Refining of Metals
Corrosion
Prevention of Corrosion
2. List out the differences between metals and nonmetals based on their physical properties in Chapter 3 of NCERT Solutions for Class 10 Science.
Following are the differences between Metals and Non -metals based on their physical properties as discussed in Class 10 Science Chapter 3;
Metals are malleable and can be formed into thin sheets while non-metals can’t be formed into sheets.
Metals are ductile and can be drawn into thin wires while non-metals can’t be.
Metals conduct heat and electricity while non-metals don't conduct them.
Some metals are sonorous as they produce a ringing sound when struck on a hard surface while non-metals are non-sonorous.
3. Mention the uses of metals and non-metals explained in Chapter 3 of NCERT Solutions for Class 10 Science.
Uses of metals:
Due to the property of malleability, they can be formed into thin sheets.
They can be drawn into thin wires due to ductility.
Used for making vessels as they are good conductors of heat.
Used for making wires as they are good conductors of electricity.
Uses of non-metals:
Non-metals are used as insulators on wires as they don't conduct electricity.
They are used to make storage containers for acidic substances as they don’t react with acids.
4. What is electrolytic refining?
Electrolytic refining is a method of refining impure metals using electrolysis. In this process, the impure metal that is to be refined is made as the anode, and the pure metal is made as the cathode. The metal salt is used in the solution to act as an electrolyte. When current is passed through the electrolyte, pure metal from the anode dissolves in the solution, and an equivalent amount of pure metal from the electrolyte solution deposits on the cathode. To study more and practise questions on this topic students can download the NCERT Solution of this chapter free of cost from the Vedantu website (vedantu.com).
5. How can corrosion be prevented?
Oxidation of iron is called corrosion which can be prevented by:
Galvanisation- Coating steel or iron with a layer of zinc.
Painting- Painting the metal surface makes a layer that prevents contact with air.
OIling- OIling also prevents corrosion.
Alloying- A homogenous mixture of more than one type of metal, or metal, and with a nonmetal is known as an alloy. They show less conductivity when compared to pure metals. It prevents the rusting of metal
6. How are metals extracted from their ores?
The metals seen in nature are extracted from their ores. Ores however are contaminated with a lot of impurities called gangue. The extraction processes depend on the differences between the physical and chemical properties of the gangue and the ores. Different metals have different reactivities. Based on this the extraction processes are applied. Very less reactive metals can be refined by heating alone. Medium reactive metals are refined by roasting and calcination. Very high reactive metals are refined by electrolytic reduction. For more details, visit the Vedantu app.
7. How can NCERT Solutions for Chapter 3, Science Class 10 help prepare exams?
NCERT Solutions provides step-by-step explanations and solutions to all the questions in Chapter 3, helping students prepare comprehensively for exams. By practising these solutions, students can improve their problem-solving skills and boost their confidence before exams.
8. How are metal oxides classified in Chapter 3, Metals and Non Metals Class 10?
Metal oxides are classified as acidic, basic, or amphoteric based on their reaction with acids and bases. Acidic oxides react with bases to form salts and water, basic oxides react with acids to form salts and water, and amphoteric oxides can react with both acids and bases.