Related Questions

Which one of the following is commonly used for pulp bleaching in the paper industry?
A Mild sulphuric acid
B Glucose isomerase
C peroxide
D Iodine and water
Bleaching action of bleaching powder is due to its __________ properties.
A Reducing
B Oxidising
C Disinfecting
D None of these
The end bleaching agent used to move last traces of colour bodies from the pulp is
A Chlorine dioxide (ClO2)
B MgO
C SO2 gas
D Mercaptans
The most economical pulp for the production of newsprint would be the __________ pulp.
A Groundwood
B Sulphate
C Sulphite
D Semichemical
Price of paper has increased by 20%. Approximately, what percent of the paper usage must be curtailed so that the expenditure for paper remains the same?
A 8.66%
B 12.33%
C 16.66%
D 17.33%
Wood-pulp as raw material for paper was developed because of :
A scientific research
B the need to develop non-acidic paper
C the shortage of linen
D the need to produce large quantities of paper
Continued use of wood-pulp paper in book will affect : 1.libraries 2.general public 3.the publishing industry 4.the governments
A I,II and III
B I,II,III and IV
C II and III
D I and III
The ideal pulp for the manufacture of paper should have high __________ content.
A Cellulose
B Lignin
C Both A & B
D None of these
Production of one ton of dry paper pulp requires about __________ tons of bamboo or wood.
A 1
B 2.5
C 5
D 10
Paper pulp produced by kraft/sulphate process is
A Bleached easily
B Dull white in color
C Strong fibrous
D Dark colored

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