What is Refractory Materials?
Answer / guest
Substances which do not melt even at high temperatures are
termed as refractory material. These are used for inner
linning furnaces. Examples of these are:-
(a)Slica (acideic in nature)
(b)Lime, magnesite, dolomite (basic in nature)
(c)Bone-ash (Neutral)
(d)Fire-clay
| Is This Answer Correct ? | 18 Yes | 6 No |
Explain the Element?
Difference between heavy hydrogen , Atom Hydrogen and Hydrogen Ion ?
Which wavelengths are visible to human eye?
In the calculation of calorific value of any fuel why the latent heat of vap. of water is taken as 587 kj/mol whereas actually it is 540kj/mol?
What is chemical oxygen demand?
Why white clothe are preferred to dark ones in summer ?
What is the molarity of a NaOH solution if 32.47ml. isrequired to titrate 0.6013g of potassium hydrogen phthalate?
What is Molecular Formula ?
Why are silver tea pots made with the handles of ebony ?
Arrange by acidic values : phenol, nitrotolouene and o-cresol?
Explain the Purification of Organic Compounds ?
What are the names of the three different rays emitted by radioactive substances ?