Double Contact Double Absorption (DCDA) process is the most recent process for the manufacture of
Nitric acid
Sulphuric acid
Ammonium sulphate
Hydrochloric acid
- __________ process is used for the manufacture of sodium carbonate by ammonia soda process.
- An oil is converted into fat by its
- Liquefaction of gases cannot be done by
- Which is the main reducing agent during production of iron from iron ore in a blast furnace?
- Which one of the following is not likely to be a constituent of vegetable oils?
- Pure rectified spirit contains about __________ percent alcohol.
- __________ of quicklime produces slaked lime.
- Pick out the wrong statement.
- The basic constituent of vegetable oils is
- Chemical name of Grignard reagent is
- Sizing material is incorporated in paper to
- Solvent extracted oil
- The catalyst used in the production of elemental sulphur from H2S (by oxidation-reduction) is
- The most stable allotropic form of phosphorous is the __________ phosphorous.
- Polymethyl methacrylate (PMMA) is known as
- __________ glass is used for the manufacture of optical glass.
- Dacron is a
- Antibiotic
- Hydrogen gas is not produced commercially (for nitrogenous fertiliser manufacture) by
- Penicillin, an antibiotic drug was discovered by
- Nylon-66 is so named because the
- Pick out the wrong statement.
- Pick out the wrong statement.
- Glycerine is not used in the
- Sulphuric acid is mainly used in the __________ industry.
- Sand and __________ is fused at 1300°C, to produce sodium silicate.
- Concentration of NaOH solution produced by mercury electrolytic cell is about __________ percent.
- Which of the following is a constituent of coffee?
- Detergent is produced by the sulphonation of dodecyl benzene, which is an __________ reaction.
- Starting material for the production of butadiene in India is