Metals and non metals ppt class 8 pdf

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metals and non metals ppt class 8 pdf

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Chemistry Metals and non metals.

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Gallium and Ceasium have low melting points. They melt in the palm of the hand Metals have high boiling points. Metals are good conductors of heat. Best conductors are silver and copper. Poor conductors are Lead and Mercury Metals are good conductors of electricity. Best conductors are Silver and Copper Metals are sonorus.

We think you have liked this presentation. If you wish to download it, please recommend it to your friends in any social system. Share buttons are a little bit lower. Thank you! Published by Poppy Gordon Modified over 5 years ago. Metals are on the left and in the centre. Non-metals are mostly on the right.

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Reaction of metals with oxygen : Metals react with oxygen under different conditions to form basic oxides. These basic oxides react with water to form bases which turn red litmus into blue. Sodium and potassium react with oxygen vigorously at room temperature. Magnesium reacted with oxygen only if ignited. It gives a bright dazzling flame and forms a white powder of magnesium oxide. Non-metals react with oxygen to form acidic or neutral oxides. Reaction of metal with water: Metal react with water to form oxides or hydroxides along with hydrogen.

Click here for Elements can be divided into metals and nonmetals and it is important to know whether a particular element is a metal or nonmetal. Metals like copper and aluminium are good conductors of heat and electricity, while nonmetals such as phosphorus and sulfur are insulators. What properties did you think of while categorising elements as metals or non-metals? Properties are the things that are special or unique about an object or a material. Question 3. Question 1: When you strike a metal with hard substance, a ringing sound is produced.


CBSE Class 8 / VIII General Ccience Power Point Presentation Prepared By Praveen M Jigajinni DCSc & Engg,PGDCA,ADCA,MCA,MSc(IT).


CHAPTER 4 - MATERIALS : METALS AND NON METALS - PPT, Science, Class 8 Class 8 Notes | EduRev

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Chapter 4 - Materials : Metals and Non-Metals Class 8 notes

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materials metals and non metals class 8 ppt

Iron does not occur in the native state as it is oxidized easily. Iron in elemental state occurs in meteorites. Iron is an important of haemoglobin of blood. Iron is also present plant and animal tissues.

Some elements show properties of both metals and non metals. They are called metalloids. Most metals are found in the combined states as oxides, sulphides, carbonates, silicates etc. Metals Metals are solids except mercury. Metals are hard except sodium, potassium etc.

These solutions for Metals And Non Metals are extremely popular among Class 8 students for Science Metals And Non Metals Solutions come handy for quickly completing your homework and preparing for exams. Name some common metals. Total Marks : Click here for Most elements are metals. This results in corrosion and rust.


distinguished from non-metals on the Class VI. Now, repeat the activity with the materials mentioned in. Table These materials are called non-metals. Explain. 8. Match the substances given in Column A with their uses given in.


Metals and Non-metals.ppt

CHAPTER - 4 MATERIALS : METALS AND NON METALS

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  • You can download Free CHAPTER 4 - MATERIALS: METALS AND NON METALS - PPT, Science, Class 8 Class 8 Notes | EduRev pdf from EduRev by using. Kari B. - 06.05.2021 at 06:59
  • Check the below NCERT MCQ Questions for Class 8 Science Chapter 4 Materials: Metals and Non-Metals with Answers Pdf free download. Browse more Topics. Daisy P. - 07.05.2021 at 04:33
  • CHAPTER - 4 MATERIALS: METALS AND NON METALS 1) Occurrence of metals and A free PowerPoint PPT presentation (displayed as a Flash slide show) on your own PowerPoint slides so you can share them with your teachers, class, Uses of Metals - Additional Science Production and Uses of Metals Chapter 8. Ivan A. - 10.05.2021 at 13:21

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