Bissoy.com
Doctors Medicines MCQs Q&A

__________ are water soluble colours added to stock which impart color to the final product then __ are absorbed on the fiber surfaces imparting their colours to the paper fibers.

__________ are water soluble colours added to stock which impart color to the final product then __ are absorbed on the fiber surfaces imparting their colours to the paper fibers. Correct Answer Dyes

Dyes are water soluble colours added to stock to impart colour to the final product. Dyes are absorbed on the fiber surfaces releasing their colours to the paper fibers. They have structures involving large conjugated double bond systems with azo, metallic azo, anthraquinone, triarylmethane, quinoline, and similar structures.

Related Questions

Student A rub solid baking soda on dry litmus paper, B rub metal oxide on dry litmus paper, C dip litmus paper in vinegar, D dip litmus paper in aqueous solution of baking soda. The observations were made by student A, B, C, and D should be- Student Effect on dry red litmus paper Effect on dry blue litmus paper A Color Changed to blue No change B No change Color changed to red C No change Color changed to red D Color Changed to blue       Color changed to red The correct observation was made by the student
Girls in a shopping mall like dresses of three different colors; Red, Blue, and Black. 45% of total girls like red color dress, out of which 60% like only red color. If 36 girls like red color dress along with at least one more color, 10% like both red and blue color while 60% of total girls like black color dress, then how many girls like black color or blue or both color dress but not red color?
In a group, 22 women like Red color, 20 women like the blue color and 19 women like Yellow color. Among them, 5 women like both Red and Blue color, 5 women like both Yellow and Blue color and 9 women like both Red and Yellow color. 14 women like only Blue color and 4 women all the three colors. Find the total number of women who like only Red color.
In a year-end examination, 6 papers-Maths, Physics, Geography, Economics, Chemistry, History- are scheduled on 6 consecutive days of a week (Monday -Saturday). 1. Maths paper is after the Chemistry paper, with a 1-day gap between them. 2. Physics paper is on Monday. 3. Geography paper is not on the last day. 4. History paper, which is scheduled on the previous day of the Maths paper, has a two-day gap with the Physics paper. In the above description, the History paper was cancelled due to incompletion of syllabus and the exam was scheduled for five days (Monday - Friday), with the order of the papers reversed. Which paper was scheduled on Thursday? 
In a year-end examination, 6 papers-Maths, Physics, Geography, Economics, Chemistry, History- are scheduled on 6 consecutive days of a week (Monday -Saturday). 1. Maths paper is after the Chemistry paper, with a 1-day gap between them. 2. Physics paper is on Monday. 3. Geography paper is not on the last day. 4. History paper, which is scheduled on the previous day of the Maths paper, has a two-day gap with the Physics paper. Which paper is scheduled on Saturday?
The following observations were made by student A, B, C, and D when they rubbed solid baking soda on dry litmus paper : Student Effect on dry red litmus paper Effect on dry blue litmus paper A Color Changed to blue No change B No change Color changed to red C Color changed to blue Color changed to red D No change No change The correct observation was made by the student
__________ is the production of rough surfaces on fibers by mechanical action; refiners break the outer layer of fibers and the secondary cell wall to protrude from the fiber surfaces.
The following picture shows the color preferences of a group of girls. The circle represents the pink color, the triangle represents the blue color and the rectangle represents the white color. Which group of girls like blue or pink color but not the white color?
In the following question below are given some statements followed by some conclusions. Taking the given statements to be true even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusion logically follows the given statements. Statements: All paper is newspaper. Some paper is tissue Only few tissues are  paper  boats. Conclusions: I. All paper boats can be tissue. II. No paper is paper boat. III. Some paper is newspaper.
A three-star medicine is prepared by mixing two type of fluids (A & B) in ratio of 1 : 4. Fluid A is prepared by mixing two type of water, water M and water N in ratio of 4 : 5. Fluid B is prepared by mixing two type of water, water X and water N in ratio of 3 : 7. The final mixture is prepared by 675 units of three-star medicine with water Y. If the concentration of the water N in the final mixture is 60%, then how much water Y had been added to three-star medicine?