Consider the following statements I. Diatomite is porous and chemically inert. It is therefore, used in filtration of sugar, alcohols, oils, syrups and antibiotics II. Diatomite deposits are often accompanied by petroleum fields III. Desmids are mainly found in dirty water and are, usually indication of polluted water Which of the statements given above are correct? |
|||||||
a) |
I and II |
b) |
I and III |
c) |
II and III |
d) |
I, II and III |
Consider the following statements I. Diatomite is porous and chemically inert. It is therefore, used in filtration of sugar, alcohols, oils, syrups and antibiotics II. Diatomite deposits are often accompanied by petroleum fields III. Desmids are mainly found in dirty water and are, usually indication of polluted water Which of the statements given above are correct? |
|||||||
a) |
I and II |
b) |
I and III |
c) |
II and III |
d) |
I, II and III |
(a)
All are correct except III. Desmids are mainly found in freshwater and are usually indication of clean (unpolluted) water