Which of the following is not present in bagasse fibre?
Cellulose
Lignin
Pentogens
None of these
- The temperature in the calcium carbide furnace is __________ °C.
- Starting raw material for the manufacture of alum is
- Which of the following is an additional step in the manufacture of paper from bagasse as compared to…
- Which is the main reducing agent during production of iron from iron ore in a blast furnace?
- Which of the following is a constituent of vinegar?
- Pick out the wrong statement.
- CaO is called
- Which of the following processes can remove both temporary as well as permanent hardness of water?
- Pure rectified spirit contains about __________ percent alcohol.
- __________ is obtained as a by-product in the manufacture of sodium hydroxide using brine.
- Sulphuric acid saturated with SO3 is called
- Nylon-66 is manufactured from
- Carbon content of pitch (residue of coal tar distillation) is around __________ percent.
- Oil is a/an
- Oil produced by solvent extraction
- Low temperature carbonisation of coal takes place at __________ °C.
- Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt…
- Hydrogenation of oil does not
- Main constituents of Portland cement are calcium aluminate and
- Massecuite is
- Hydrogenation of edible vegetable oils
- The basic constituent of vegetable oils is
- Commercially ethylene is produced from naphtha by
- Use of hydrated lime in water treatment
- Phenolic antiseptics are added in the __________ soap.
- The drug used in contraceptives is
- Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium…
- Zeolite is used in the
- Lime and soda ash are added to water to remove
- Which of the following is not produced commercially from sea water?