Na2CO3.10H2O is called
Washing soda
Soda ash
Slaked lime
Quicklime
- Concentration of sulphide ores is done usually by
- __________ Nature of hypo (sodium thiosulphate) makes it useful in photography.
- Aryl benzene sulphonate (ABS) is a
- Solvay process as compared to dual process(i.e. modified Solvay process).
- 10% oleum comprises of 10% free
- Concentration of NaOH solution produced by mercury electrolytic cell is about __________ percent.
- Haemoglobin is a/an
- Rotary kiln is not involved in the production of
- Pick out the wrong statement pertaining to the soap manufacture.
- Which of the following is a disaccharide?
- Starting material for the production of butadiene in India is
- Rosin soap is added during paper manufacture to
- Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.
- Pick out the endothermic reaction out of the following.
- Enamels
- Process conditions in fermentator used for production of penicillin is
- The type of high refractive index glass used in optical instruments is __________ glass.
- Catalytic oxidation of toluene produces
- Transparent soaps (e.g. Pears) are
- Heating of __________ to 120°C, produces plaster of paris.
- Calcination of gypsum produces
- Permanent hardness of water is due to the presence of calcium & magnesium
- Which of the following is not present in bagasse fibre?
- Nylon-6 as compared to Nylon-66 is having higher
- Which of the following is a detergent?
- The enzyme which converts starch into the disaccharides maltose is
- More than 100 percent of __________ is present in oleum.
- Portland cement consists mainly of
- H2S is scrubbed from refinery gases by absorption using
- The major constituents of glass are