Ferrous oxalate is used in developing black and white photographic film. Discuss. 

The type of plant which appears as black and white spots on bread pieces,pickles when kept in moist places is _

Discuss on the development of green chemistry.

An urn A contains 8 black balls and 5 white balls. A second urn B contains 6 black and 7 white balls. The probability that a blind folded person in one draw shall obtain a white ball

There are 3 black and 4 white balls in one bag. 4 black and 3 white balls in the second bag. A die is rolled and the first bag is selected if it is 1 or 3 and the second bag for the rest. Find the probability of drawing a black ball from the bag thus selected.

The reagent used for converting acetylene to oxalic acid is

The reagent used for converting acetylene to oxalic acid is,

Find the number of selections of 10 balls from unlimited number of red black and white balls.

Select the incorrect statement for developing of an exposed camera film involving the reaction

Hypo is used as 'anti chlor' and for 'fixing films'. Discuss with suitable equations.