A. V2O5
B. Pt
C. Ni
D. Cr
Correct Answer: V2O5 ✔
Last Updated: February 14, 2019
Related MCQs
- 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?
- A mixture of chlorine & sodium bromide acts as a/an__________?
- Sucrose is a__________?
- Nylon-6 as compared to Nylon-66 is having higher__________?
- Chemical formula of BHC, which is an insecticide is__________?
- In an integrated steel plant, NH3 present in coke oven gas is normally recovered as__________?
- Concentration of NaOH solution produced by diaphragm electrolytic cell is about __________ percent?
- Cellulose content of bamboo and ideal fibrous raw material for the manufacture of paper is __________ percent?
- CO & H2 are the constituents of__________?
- Nicotine is__________?
- 20% oleum means that in 100 kg oleum, there are 20 kg of__________?
- Penicillin is made employing __________ fermentation process?