NCERT Solution Class 8 Science - Chapter 4

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Class 8 Science NCERT Solution

Class 8 Science Chapter 4 may be a little difficult for some students to grasp. Materials: Metals and Non-Metals Class 8 chapter deals with the various properties of metals and nonmetals. NCERT Solution for Class 8 Science provided by Vedantu is prepared by teachers in accordance with the CBSE guidelines. Metals and Non-Metals Class 8 NCERT Solution help students to revise the chapter completely and score good marks. You can also register for the webinar classes which are conducted by the best Science tutors in India. Vedantu is a platform providing free solutions for various subjects to score good marks. You can also download Class 8 Maths NCERT Solutions to help you to revise complete syllabus and score more marks in your examinations.

NCERT Solution-Materials Metals and Non - Metals part-1
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FAQ (Frequently Asked Questions)

1. State a Few Uses of Metals.

In our day to day lives, we come across many uses of metals and nonmetals. The various electronic devices that we use like refrigerators, AC, mobiles, etc. all have metals in their composition, which serve various purposes. One of the main purposes of metals in devices is to facilitate the transfer of electricity since metals are good conductors of electricity. Various metals are also used in medicine since they are active components in nerve impulse conduction, enzyme reaction, blood, etc. Metals are also found in our bodies for various purposes, and their deficiency can cause illness. Metals are used in jewellery, construction and in various industries such as electronics and automobiles.

2. What Are the Differences in the Physical Properties of Metals and Nonmetals?

When it comes to physical properties, metals and nonmetals differ in various ways. The metals are generally solid at room temperature except for mercury, which is in liquid form at room temperature. On the other hand, nonmetals may exist in the form of solid, liquid or gas. All the metals are lustrous while some nonmetals are non-lustrous as well. The density of metals is also higher with some exceptions like sodium, lithium and potassium. Nonmetals, on the other hand, have a low density which helps to differentiate between the two. Metals are also good conductors of electricity and heat, but non-metals are poor conductors and have low melting and boiling points, unlike metals.

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