Download SGBAU BSc 2019 Summer 2nd Sem Home Science Textile Chemistry Question Paper

Download SGBAU (Sant Gadge Baba Amravati university) BSc 2019 Summer (Bachelor of Science) 2nd Sem Home Science Textile Chemistry Previous Question Paper

AW?ll4l
B.Sc. (Part-I) Home Science (Semester?II) Examination
TEXTILE CHEMISTRY?2.5
Paper?124TC12
'l?ime : Three Hours] [Maximum Marks : 40
Note :?(1) Attempt ALL questions.
(2) All questions carry equal marks.
1.1 Write the classification of dyes according to their sources and chemical structure. 8
OR
1.2 Write the applicability of dyes for dyeing different types of ?bres.
2.1 Explain the process of jet dyeing method and explain the batik printing. 8
OR
2.2 What is resist printing and what is warp-heam method of dyeing.
3. Give reasons for the following : 8
3.1 'I'erylene cloths need less ironing.
3.2 White or coloured silk clothes should not be dried in sunlight.
3.3 Coloured cotton clothes are soaked in salt water.
3.4 The silk clothes should not be rubbed with the brush.
4. Match A with B : 8
A B
4.1 Caustic soda (a) Removes hardness of water
4.2 Detergent (b) Sodium or potassium salts of higher fatty acids
4.3 Permutit process (c) Method ofrcmoval of temporary hardness of water
4.4 Lime (d) Method ofrcmoval of permanent hardness of water
4.5 Soap (e) Partially or totally synthetic organic compound
4.6 Temporary hardness (0 Preparation of soap
4.7 Washing soda (8) Bicarbonate of calcium, magnesium and iron
4.8 Types of hardness of water (h) Permanent and temporary hardness of water
5. Write : 8
.1 Write the use of optical brighteners.
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How oil stain is removed by dry method '2
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Which chemicals are used for bleaching ?
What is used for starching cotton cloths '.?
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How lipstick stains are removed '3
What is used to starch silk cloths ?
UI
How nail polish stains are removed ?
What is used to make white cloths more white ?
UI
YBC?715491 1 (Contd)

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AW?1141
B.Sc. (Part-l) Home Science (Semester-II) Examination
TEXTILE CHEMISTRY?2.S
Paper?124TC [2
Time : T hree Hours] [Maximum Marks
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YBC?15491 3
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