Fluorescent dyes are added in detergents to

A Act as fabric brightener (by converting ultraviolet light to visible light) thereby improving the whiteness appearance of white fabrics
B Attain distinctiveness from other brands
C Act as tarnish inhibitor for metals like German silver
D None of these

Correct Answer: Act as fabric brightener (by converting ultraviolet light to visible light) thereby improving the whiteness appearance of white fabrics

Bissoy MCQ
#Chemical Engineering #Chemical Process

Related Questions

A company produces five types of shirts -- A,B,C,D and E-using cloth of three qualities -- high, medium and low , using dyes of three qualities-- high, medium and low. One shirt requires 1.5 m of cloth .The following table gives respectively : The number of shirts (of each category) produced, in thousands. The percentage distribution of cloth quality in each type of shirt, and The percentage distribution of dye quality in each type of shirt. What is the ratio of the three qualities of dyes in high quality cloth ?
A 7:9:10
B 1:2:5
C 2:1
D Cannot be determined
Carboxymethyl cellulose (CMC) is added in detergents to
A Prevent redeposition of soil on cleaned surface
B Act as optical brightening agent
C Inhibit corrosion in washing machines made of aluminium
D None of these
Which of the following is a bleaching agent added in the detergents to facilitate removal of stains caused due to blood, tea etc?
A Sodium silicate
B Sodium borate
C Sodium tripolyphosphate (STPP)
D Caustic soda
Carboxymethyl cellulose (CMC) is added in detergents to act as a/an
A Surfactant
B Builder
C Optical brightening agent
D Anti soil redeposition agent
A company produces five types of shirts -- A,B,C,D and E-using cloth of three qualities -- high, medium and low , using dyes of three qualities-- high, medium and low. One shirt requires 1.5 m of cloth .The following table gives respectively : The number of shirts (of each category) produced, in thousands. The percentage distribution of cloth quality in each type of shirt, and The percentage distribution of dye quality in each type of shirt. What is the total requirement of cloth?
A 2,50,00 m
B 2,25,00 m
C 2,00,000 m
D 1,50,00 m
A company produces five types of shirts -- A,B,C,D and E-using cloth of three qualities -- high, medium and low , using dyes of three qualities-- high, medium and low. One shirt requires 1.5 m of cloth .The following table gives respectively : The number of shirts (of each category) produced, in thousands. The percentage distribution of cloth quality in each type of shirt, and The percentage distribution of dye quality in each type of shirt. How many meters of low-quality cloth is consumed?
A 40,00 m
B 60,000 m
C 46,500 m
D 22,500 m
A company produces five types of shirts -- A,B,C,D and E-using cloth of three qualities -- high, medium and low , using dyes of three qualities-- high, medium and low. One shirt requires 1.5 m of cloth .The following table gives respectively : The number of shirts (of each category) produced, in thousands. The percentage distribution of cloth quality in each type of shirt, and The percentage distribution of dye quality in each type of shirt. How many metres of high quality cloth is consumed by A-type shirts?
A 30,00 m
B 24,00 m
C 112,000 m
D 8,00 m
A company produces five types of shirts -- A,B,C,D and E-using cloth of three qualities -- high, medium and low , using dyes of three qualities-- high, medium and low. One shirt requires 1.5 m of cloth .The following table gives respectively : The number of shirts (of each category) produced, in thousands. The percentage distribution of cloth quality in each type of shirt, and The percentage distribution of dye quality in each type of shirt. What is the ratio of low quality dye used for C-type shirts to that used for D-type shirts ?
A 2:3
B 1:2
C 2:1
D 3:2
Virus/es inactivated by lipid solvents and detergents is/are
A Influenza virus
B Rabies virus
C SARS-CoV-2
D Poliovirus
E Rotavirus
Synthetic detergents are prepared from
A potassium salts of higher fatty\u00adacids
B sodium salts of higher fatty\u00adacids
C hydrocarbons of petroleum
D glycerides

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