Waec Dyeing and Bleaching 2021 Answers for 20th August 2021

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Waec 2021/2022 Dyeing and Bleaching Obj & Essay Questions and Answers, Waec 2021/2022 Dyeing and Bleaching Obj & Essay Questions and Answers, Waec 2021/2022 Dyeing and Bleaching Obj & Essay Questions and Answers.

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Our Waec questions and answers also contain both Waec 2021 Dyeing and Bleaching theory questions and also the correct 2021 Waec Dyeing and Bleaching questions and answers for Objective all in this July/August Waec 2021 Dyeing and Bleaching question and answer. The questions and answers were sourced from an insider of the Waec African examination council and were confirmed to be accurate by another insider of the West African Examination Council. The Waec Dyeing and Bleaching questions 2021 also contain the Waec 2021 Dyeing and Bleaching answers to both theory Questions and Objective questions. There is a need to carefully look into the Waec Dyeing and Bleaching 2021 questions and answers for all those who want to get there As and make it through in Waec 2021.

DYEING THEORY
(1)Marbling is the process of floating fabric paints on the surface of a thick cellulose solution (called “size”), somewhat like oil on water. Then you capture your design by laying a treated piece of fabric or paper down on top of the paint to transfer the swirls to the fabric.
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2)Tie-dye is a process of tying and dyeing a piece of fabric or cloth which is made from knit or woven fabric, usually cotton; typically using bright colors. Tie-dyeing is accomplished by folding the material into a pattern, and binding it with string or rubber bands. Dye is then applied to only parts of the material.
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5) Bleaching, a process of whitening fabric by removal of natural colour, such as the tan of linen, is usually carried out by means of chemicals selected according to the chemical composition of the fibre.

*TIE AND DYE SOLUTIONS*

(1)Marbling is the process of floating fabric paints on the surface of a thick cellulose solution (called “size”), somewhat like oil on water. Then you capture your design by laying a treated piece of fabric or paper down on top of the paint to transfer the swirls to the fabric.
==============================

2)Tie-dye is a process of tying and dyeing a piece of fabric or cloth which is made from knit or woven fabric, usually cotton; typically using bright colors. Tie-dyeing is accomplished by folding the material into a pattern, and binding it with string or rubber bands. Dye is then applied to only parts of the material.
==============================

5) Bleaching, a process of whitening fabric by removal of natural colour, such as the tan of linen, is usually carried out by means of chemicals selected according to the chemical composition of the fibre.

*Dey and bleaching*

No2

Tools and materials used for Marbling

1. Kotlin Tutorial
2. Disposable Pipettes – Pack of 10
2. Syringes – Set of 2
3.Artist’s Color Wheel & Mixing Guide
4. Color Mixing Cups
5. Sumi Brushes
6. Color Mixing cup
7. Plastic Drop Cloths/Tarps (9′ X 12′)
8. 7 Kinds Of Gloves
9. Safety glasses
10. Disposable Plastic Aprons
11. Mixed sprayer

: *Dey and bleaching*

No2

Tools and materials used for Marbling

1. Kotlin Tutorial
2. Disposable Pipettes – Pack of 10
2. Syringes – Set of 2
3.Artist’s Color Wheel & Mixing Guide
4. Color Mixing Cups
5. Sumi Brushes
6. Color Mixing cup
7. Plastic Drop Cloths/Tarps (9′ X 12′)
8. 7 Kinds Of Gloves
9. Safety glasses
10. Disposable Plastic Aprons
11. Mixed spray

No1 dye and beaching

Marbling the action or process of making like marble especially in coloration. It is also coloration or markings resembling or suggestive of marble. It can also be an intermixture of fat and lean especially when evenly distributed in a cut of meat.

*Dye and bleaching*

No2

Tools and materials used for Marbling

1. Kotlin Tutorial
2. Disposable Pipettes – Pack of 10
2. Syringes – Set of 2
3.Artist’s Color Wheel & Mixing Guide
4. Color Mixing Cups
5. Sumi Brushes
6. Color Mixing cup
7. Plastic Drop Cloths/Tarps (9′ X 12′)
8. 7 Kinds Of Gloves
9. Safety glasses
10. Disposable Plastic Aprons
11. Mixed sprayer

*Pick any 9*

DYEING AND BLEACHING

(5a)
Bleaching is a process of whitening fabric by removal of natural colour, such as the tan of linen, is usually carried out by means of chemicals selected according to the chemical composition of the fibre.

(5b)
(i) sulfur dioxide
(ii) sulfurous acid
(iii) bisulfites, sulfites
(iv) hydrosulfite (dithionites)

Waec Dyeing and Bleaching (Obj & Essay) Exam Date 2021

Friday 20th August 2021

• Dyeing and Bleaching 2 (Essay) 9:30 am. –11:10 am.
• Dyeing and Bleaching 1(Objective) 11:10 am. –11:55 am.

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