A. Sodium sulphide & sodium carbonate
B. Sodium sulphite & sodium carbonate
C. Sodium sulphite & sodium sulphide
D. None of these
Correct Answer: Sodium sulphide & sodium carbonate ✔
Last Updated: February 14, 2019
Related MCQs
- Enzymes are__________?
- Catalyst used during the manufacture of ‘Vanaspati Ghee’ is __________?
- Naphthalene is removed from coke oven gas by __________?
- Double Contact Double Absorption (DCDA) process is the most recent process for the manufacture of __________?
- Which of the following is an ore of iron ?
- Commercial production of Vanaspati is done by __________ of edible vegetable oils ?
- Sulphuric acid completely saturated with sulphur trioxide is called__________?
- Glauber’s salt is chemically ?
- __________ is used as a flux in the smelting of copper ore like chalcopyrite ?
- Poly Vinyl Chloride (P.V.C.) is a __________ material ?
- Catalyst used in the oxidation of benzene to produce Maleic anhydride is __________?
- Which of the following is not an insecticide ?
- Molecular weight of plastics ranges from __________?
- Cation exchanger is regenerated usually with__________?
- Major component of flint glass is__________?
- Starting material for the production of styrene butadiene rubber (SBR) is__________?
- __________ Nature of hypo (sodium thiosulphate) makes it useful in photography ?
- The most popular and common detergent i.e., alkyl benzene sulfonate (ABS) is a/an __________ detergent ?
- Industrial production of chloroform requires acetone and__________?
- The most reactive allotropic form of phosphorus is __________ phosphorus?
- The manufacture of Kraft pulp is done by a/an __________ process?
- Flux addition during smelting of ore is done to__________?
- Yellow glycerine is made into white, using__________?
- Coloured glass is obtained by mixing of colored salts. Addition of __________ oxide is done to impart greenish blue color to the glass?
- Commercially ethylene is produced from naphtha by __________?
- Hydrolysis of sugar is called__________?
- Sizing material is incorporated in paper to__________?
- Shrinkage volume in cement setting does not depend upon the __________?
- Widely used method for the conditioning of boiler feed water is the __________?
- Which of the following processes can remove both temporary as well as permanent hardness of water ?
- Phenol formaldehyde is produced by condensation polymerisation. It is also known as__________?
- What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in an electrolytic cell ?
- Chemical formula of oleum is__________?
- Contact process of sulphuric acid manufacture __________?
- Favourable conditions for the liquefaction of gases in general are __________?
- Catalytic oxidation of toluene produces__________?
- Hydrocyanic acid (HCN) is used as an insecticide for__________?
- Penicillin is separated from fermented broth by __________?
- Carbon disulphide is mainly used in the production of__________?
- In contact process, SO3 is absorbed in 97% H2SO4 and not in water, because__________?
- Teflon is__________?
- Sea water contains about __________ ppm of bromine ?
- Nitric acid is not used in the manufacture of__________?
- Viscose rayon is__________?
- Permanent hardness of water can be removed by__________?
- Celluloid is chemically__________?
- Plasticisers are added to synthetic plastics to__________?
- One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to__________?
- Which of the following impurities in feed water for high pressure boiler is the most detrimental ?
- Penicillin, an antibiotic drug was discovered by__________?
- __________ is produced using Polycondensation Reaction?