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Balbharati solutions for Class 8 Science chapter 7 - Metals and Nonmetals

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Chapters

Balbharati Balbharati Class 8 Science - General Science

Balbharati Class 8 Science - General Science - Shaalaa.com

Chapter 7: Metals and Nonmetals

Exercise

Chapter 7: Metals and Nonmetals Exercise Exercise solutions [Page 53]

Exercise | Q 1 | Page 53

Complete the table.

 Property of metal  Use in every day life
 i. Ductility  
 ii. Malleability  
 iii. Conduction of heat  
 iv. Conduction of electricity  
 v. Sonority  
Exercise | Q 2.1 | Page 53

Identify the odd term

Gold, silver, iron, diamond

Exercise | Q 2.2 | Page 53

Identify the odd term

Ductility, brittelness, sonority, malleability

Exercise | Q 2.3 | Page 53

Identify the odd term

Carbon, bromic, sulphur, phosphorus

Exercise | Q 2.4 | Page 53

Identify the odd term.

Brass, bronze, iron, steel

Exercise | Q 3.1 | Page 53

Write scientific reason.

The stainless steel vessels in Kitchen have copper coating on the bottom.

Exercise | Q 3.2 | Page 53

Write scientific reason.

Copper and brass vessels are cleaned with lemon.

Exercise | Q 3.3 | Page 53

Write scientific reason.

Sodium metal is kept in kerosene.

Exercise | Q 4.1 | Page 53

Answer the following:

What is done to prevent corrosion of metals?

Exercise | Q 4.2 | Page 53

Answer the following:

What are the metals that make the alloys brass and bronze ?

Exercise | Q 4.3 | Page 53

Answer the following

What are the adverse effects of corrosion ?

Exercise | Q 4.4 | Page 53

Answer the following

What are use of Noble metals. ?

Exercise | Q 5 | Page 53

Three experiments to study the process of rusting are given below. Observe the three test tubes and answer the following questions.

A. Why the nail in the test tube 2 is not rusted ?
B. Why is the nail in the test tube  1 is rusted highly ?
C. Would the nail in the test tube 3 get rusted ?

Chapter 7: Metals and Nonmetals

Exercise

Balbharati Balbharati Class 8 Science - General Science

Balbharati Class 8 Science - General Science - Shaalaa.com

Balbharati solutions for Class 8 Science chapter 7 - Metals and Nonmetals

Balbharati solutions for Class 8 chapter 7 (Metals and Nonmetals) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the Maharashtra State Board Balbharati Class 8 Science - General Science solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com provide such solutions so that students can prepare for written exams. Balbharati textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Class 8 Science chapter 7 Metals and Nonmetals are Concept of Metals, Non-metals, Physical Properties of Metals and Non-metals, Concept of Metalloids - metals and non-metals – e.g. silicon, germanium,tungsten, antimony), Chemical Properties of Metal, Chemical Properties of Nonmetals, Nobel Metal, Purity of Gold, Concept of Corrosion, Concept of Alloy.

Using Balbharati Class 8 solutions Metals and Nonmetals exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in Balbharati Solutions are important questions that can be asked in the final exam. Maximum students of Maharashtra State Board Class 8 prefer Balbharati Textbook Solutions to score more in exam.

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