Home

What is the correct answer?

4

Manufacture of phthalic anhydride uses __________ as a catalyst.

A. Ni

B. Cr

C. V2O5

D. Al2O3

Correct Answer :

C. V2O5


Related Questions

Type of glass used in optical work is the __________ glass. Kaolin is a/an The chamber process is Raw materials used for producing __________ cement does not contain iron… Metallic soap is __________ salt of fatty acids. The enzyme which converts starch into the disaccharides maltose is Cellulose content of bamboo and ideal fibrous raw material for the manufacture… The amount of benzene present in pure Benzol is about __________ percent. Refractory bricks having high thermal conductivity is desirable, when… Lindane is At very high concentration of enzymes, the rate of fermentation chemical… Essential oils are usually obtained using Sucrose content in the raw juice extracted from sugar cane is about __________… High temperature carbonisation of coal takes place at __________ °C. Presence of sodium tripolyphosphate (an additive) in synthetic detergent Pick out the wrong statement. Gypsum is chemically Yeast is used in the manufacture of Chemical formula of 'salt cake' is Hydrochloric acid is also known as Which catalyst is used in the manufacture of ethylene oxide by oxidation… Salt is the basic raw material for the manufacture of Sucrose content in cane sugar may be around __________ percent. Vulcanisation of rubber Wet chlorine gas produced during electrolysis of brine is dehydrated by White phosphorous is stored under water, because Highly porous refractory bricks are Styrene is produced from ethyl benzene by the process of Sand and __________ is fused at 1300°C, to produce sodium silicate. Which of the following fuel gases contains maximum amount of carbon monoxide?