SSC (English Medium) Class 8Maharashtra State Board
Share
Notifications

View all notifications

Balbharati solutions for Class 8 Science chapter 17 - Man made Materials

Login
Create free account


      Forgot password?

Chapters

Balbharati Balbharati Class 8 Science - General Science

Balbharati Class 8 Science - General Science - Shaalaa.com

Chapter 17: Man made Materials

Exercise

Chapter 17: Man made Materials Exercise Exercise solutions [Page 121]

Exercise | Q 1.1 | Page 121

Try to find it 

Plastic shows ____________ property, hence it can be molded to any shape.

Exercise | Q 1.2 | Page 121

Try to find it 

Motor cars are coated with ____________

Exercise | Q 1.3 | Page 121

Try to find it 

Thermocoal melts  at __________C.

Exercise | Q 1.4 | Page 121

Try to find it 

___________ glass dissolves in water.

Exercise | Q 2 | Page 121

Who is my partner ?

  'A' column    'B' column
 a. Lead glass  i. Plates
 b. Bakelite  ii. Mattresses
 c. Thermocol  iii. Electric bulb
 d. Optic glass  iv. Electric switch
 e. Polypropylene  v. Lens
Exercise | Q 3.1 | Page 121

Answer the following.

Thermocol is produced from which matterial ?

Exercise | Q 3.2 | Page 121

Answer the following.

Write uses of PVC.

Exercise | Q 3.3 | Page 121

Answer the following.

Write the natural or manmade row material of the following items.
Matteress,  beaker,  bangle,  chair,   gunny bag,  knife,  pen

Exercise | Q 3.4 | Page 121

Answer the following.

Which are the main ingredients of glass ? 

Exercise | Q 3.5 | Page 121

Answer the following.

How the plastic is produced ?

Exercise | Q 4.1 | Page 121

Distinguish between 

Manmade material and natural material 

Exercise | Q 4.2 | Page 121

Distinguish between 

Thermoplastic and thermosetting plastic.

Exercise | Q 5.1 | Page 121

Answer the following in your words.

Explain the effect of following materials on environment and human health.
1. Plastic
2.Glass
3.Thermocol.

Exercise | Q 5.2 | Page 121

Which measures will you arrange to minimize the environmental problems arising due to non-degradable plastic ?

Exercise | Q 6.1 | Page 121

Write short notes.

Glass production.

Exercise | Q 6.2 | Page 121

Write short notes.

Optic glass

Exercise | Q 6.3 | Page 121

Write short notes.

Uses of plastic.

Chapter 17: Man made Materials

Exercise

Balbharati Balbharati Class 8 Science - General Science

Balbharati Class 8 Science - General Science - Shaalaa.com

Balbharati solutions for Class 8 Science chapter 17 - Man made Materials

Balbharati solutions for Class 8 chapter 17 (Man made Materials) 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 17 Man made Materials are Concept of Plastics, Properties of Plastic, Thermocol, Concept of Glass, Properties of Glass, Types and Uses of Glass.

Using Balbharati Class 8 solutions Man made Materials 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.

Get the free view of chapter 17 Man made Materials Class 8 extra questions for and can use Shaalaa.com to keep it handy for your exam preparation

S
View in app×