38425
An azo dye is fixed on fabrics by the process applicable in
1 Vat dyes
2 Mordant dyes
3 Developed dyes
4 Substantive dyes
Explanation:
(c)In grain or developed dyes are those which are synthesised directly on the fabric e.g. azo dyes. Ingrain dyeing is particularly suitable for cotton fabric.
CHEMISTRY IN EVERYDAY LIFE
38426
Red ink is prepared from
1 Phenol
2 Aniline
3 Congo red
4 Eosin
Explanation:
(d)Eosin is Red dyes.
CHEMISTRY IN EVERYDAY LIFE
38427
The blue print process involves the use of
1 Indigo dyes
2 Vat dyes
3 Iron compounds
4 Zinc compounds
Explanation:
(c)The blue print process involve the use of iron compound.
CHEMISTRY IN EVERYDAY LIFE
38428
An azo dye is formed by interaction of an aromatic diazonium chloride with
1 A phenol
2 An aliphatic primary amine
3 Benzene
4 Nitrous acid
Explanation:
(a)This is coupling reaction in which benzene diazonium chloride react with phenol or aromatic amine to give dyes.
38425
An azo dye is fixed on fabrics by the process applicable in
1 Vat dyes
2 Mordant dyes
3 Developed dyes
4 Substantive dyes
Explanation:
(c)In grain or developed dyes are those which are synthesised directly on the fabric e.g. azo dyes. Ingrain dyeing is particularly suitable for cotton fabric.
CHEMISTRY IN EVERYDAY LIFE
38426
Red ink is prepared from
1 Phenol
2 Aniline
3 Congo red
4 Eosin
Explanation:
(d)Eosin is Red dyes.
CHEMISTRY IN EVERYDAY LIFE
38427
The blue print process involves the use of
1 Indigo dyes
2 Vat dyes
3 Iron compounds
4 Zinc compounds
Explanation:
(c)The blue print process involve the use of iron compound.
CHEMISTRY IN EVERYDAY LIFE
38428
An azo dye is formed by interaction of an aromatic diazonium chloride with
1 A phenol
2 An aliphatic primary amine
3 Benzene
4 Nitrous acid
Explanation:
(a)This is coupling reaction in which benzene diazonium chloride react with phenol or aromatic amine to give dyes.
38425
An azo dye is fixed on fabrics by the process applicable in
1 Vat dyes
2 Mordant dyes
3 Developed dyes
4 Substantive dyes
Explanation:
(c)In grain or developed dyes are those which are synthesised directly on the fabric e.g. azo dyes. Ingrain dyeing is particularly suitable for cotton fabric.
CHEMISTRY IN EVERYDAY LIFE
38426
Red ink is prepared from
1 Phenol
2 Aniline
3 Congo red
4 Eosin
Explanation:
(d)Eosin is Red dyes.
CHEMISTRY IN EVERYDAY LIFE
38427
The blue print process involves the use of
1 Indigo dyes
2 Vat dyes
3 Iron compounds
4 Zinc compounds
Explanation:
(c)The blue print process involve the use of iron compound.
CHEMISTRY IN EVERYDAY LIFE
38428
An azo dye is formed by interaction of an aromatic diazonium chloride with
1 A phenol
2 An aliphatic primary amine
3 Benzene
4 Nitrous acid
Explanation:
(a)This is coupling reaction in which benzene diazonium chloride react with phenol or aromatic amine to give dyes.
38425
An azo dye is fixed on fabrics by the process applicable in
1 Vat dyes
2 Mordant dyes
3 Developed dyes
4 Substantive dyes
Explanation:
(c)In grain or developed dyes are those which are synthesised directly on the fabric e.g. azo dyes. Ingrain dyeing is particularly suitable for cotton fabric.
CHEMISTRY IN EVERYDAY LIFE
38426
Red ink is prepared from
1 Phenol
2 Aniline
3 Congo red
4 Eosin
Explanation:
(d)Eosin is Red dyes.
CHEMISTRY IN EVERYDAY LIFE
38427
The blue print process involves the use of
1 Indigo dyes
2 Vat dyes
3 Iron compounds
4 Zinc compounds
Explanation:
(c)The blue print process involve the use of iron compound.
CHEMISTRY IN EVERYDAY LIFE
38428
An azo dye is formed by interaction of an aromatic diazonium chloride with
1 A phenol
2 An aliphatic primary amine
3 Benzene
4 Nitrous acid
Explanation:
(a)This is coupling reaction in which benzene diazonium chloride react with phenol or aromatic amine to give dyes.
