Related Questions

Bleaching of paper pulp is done with
A Activated clay
B Bromine
C Chlorine or chlorine dioxide
D Magnesium sulphite
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
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 most economical pulp for the production of newsprint would be the __________ pulp.
A Groundwood
B Sulphate
C Sulphite
D Semichemical
Production of one ton of paper in Indian paper industry consumes about __________ kWh of electricity.
A 300
B 800
C 1400
D 2000
The most commonly used bleaching agent is
A alcohol
B carbon dioxide
C chlorine
D sodium chlorine
Most commonly used bleaching agent is
A Sodium chloride
B Alcohol
C Carbon dioxide
D Chlorine
Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.
A Cutting
B Fibrillation
C Hydration
D Strengthening
Production of one ton of dry paper pulp requires about __________ tons of bamboo or wood.
A 1
B 2.5
C 5
D 10

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