38434
The rose odour from an ester is formed by the action of on
1 Pine oil
2 Olive oil
3 Geraniol
4 Turpentine oil
Explanation:
(c) (Geraniol) a liquid terpene alcohol forms ester of rose odour with .
CHEMISTRY IN EVERYDAY LIFE
38435
Which of the following is dye
1 Methyl orange
2 Orange I
3 Aniline yellow
4 All of these
Explanation:
Direct dyes stick to the fibre through hydrogen bonding. They belong to the class of azo dyes. They are used to dye the fabric directly by placing it in not aqueous solution of dye e.g. martius yellow, Congored etc.
CHEMISTRY IN EVERYDAY LIFE
38436
Which of the following is an example of basic dye
1 Alizarin
2 Malachite green
3 Indigo
4 Orange I
Explanation:
(b) Basic dyes contain or groups as colour bearing group or colour enhancing groups they are generally used for Wool, cotton, leather, paper, polyester, nylon etc. e.g. aniline yellow, crysodine , butter yellow, malachite green etc.
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CHEMISTRY IN EVERYDAY LIFE
38433
Alizarin a mordant dye is not used in
1 Cotton dyeing
2 Printing
3 Painting
4 Chromium lakes for wood dyeing
Explanation:
(c) It is the mordant dye so not use in painting.
CHEMISTRY IN EVERYDAY LIFE
38434
The rose odour from an ester is formed by the action of on
1 Pine oil
2 Olive oil
3 Geraniol
4 Turpentine oil
Explanation:
(c) (Geraniol) a liquid terpene alcohol forms ester of rose odour with .
CHEMISTRY IN EVERYDAY LIFE
38435
Which of the following is dye
1 Methyl orange
2 Orange I
3 Aniline yellow
4 All of these
Explanation:
Direct dyes stick to the fibre through hydrogen bonding. They belong to the class of azo dyes. They are used to dye the fabric directly by placing it in not aqueous solution of dye e.g. martius yellow, Congored etc.
CHEMISTRY IN EVERYDAY LIFE
38436
Which of the following is an example of basic dye
1 Alizarin
2 Malachite green
3 Indigo
4 Orange I
Explanation:
(b) Basic dyes contain or groups as colour bearing group or colour enhancing groups they are generally used for Wool, cotton, leather, paper, polyester, nylon etc. e.g. aniline yellow, crysodine , butter yellow, malachite green etc.
38434
The rose odour from an ester is formed by the action of on
1 Pine oil
2 Olive oil
3 Geraniol
4 Turpentine oil
Explanation:
(c) (Geraniol) a liquid terpene alcohol forms ester of rose odour with .
CHEMISTRY IN EVERYDAY LIFE
38435
Which of the following is dye
1 Methyl orange
2 Orange I
3 Aniline yellow
4 All of these
Explanation:
Direct dyes stick to the fibre through hydrogen bonding. They belong to the class of azo dyes. They are used to dye the fabric directly by placing it in not aqueous solution of dye e.g. martius yellow, Congored etc.
CHEMISTRY IN EVERYDAY LIFE
38436
Which of the following is an example of basic dye
1 Alizarin
2 Malachite green
3 Indigo
4 Orange I
Explanation:
(b) Basic dyes contain or groups as colour bearing group or colour enhancing groups they are generally used for Wool, cotton, leather, paper, polyester, nylon etc. e.g. aniline yellow, crysodine , butter yellow, malachite green etc.
38434
The rose odour from an ester is formed by the action of on
1 Pine oil
2 Olive oil
3 Geraniol
4 Turpentine oil
Explanation:
(c) (Geraniol) a liquid terpene alcohol forms ester of rose odour with .
CHEMISTRY IN EVERYDAY LIFE
38435
Which of the following is dye
1 Methyl orange
2 Orange I
3 Aniline yellow
4 All of these
Explanation:
Direct dyes stick to the fibre through hydrogen bonding. They belong to the class of azo dyes. They are used to dye the fabric directly by placing it in not aqueous solution of dye e.g. martius yellow, Congored etc.
CHEMISTRY IN EVERYDAY LIFE
38436
Which of the following is an example of basic dye
1 Alizarin
2 Malachite green
3 Indigo
4 Orange I
Explanation:
(b) Basic dyes contain or groups as colour bearing group or colour enhancing groups they are generally used for Wool, cotton, leather, paper, polyester, nylon etc. e.g. aniline yellow, crysodine , butter yellow, malachite green etc.
