Related Questions

Which of the following chemicals is used in photography ?
A Aluminium hydroxide
B Silver bromide
C Potassium nitrate
D Sodium chloride
__________ nature of hypo (sodium thiosulphate) makes it useful in photography.
A Oxidising
B Reducing
C Complex forming
D Photochemical
I've been always interested in photography ____ my school days.
A from
B since
C in
D at
Who discovered the colour photography?
A Robert Noyce
B Enrico Fermi
C John Logie Baird
D James Clerk Maxwell
The chemical name of 'Hypo' commonly used in photography is
A Sodium thiosulphate
B Silver nitrate
C Sodium nitrate
D Silver iodide
The coverage is least if photography is
A High oblique
B Low oblique
C Vertical
D None of these
To have greatest coverage of the area, the type of photography used, is
A High oblique
B Low oblique
C Vertical
D None of these
Hypo (sodium thiosulphate) because of its complex forming behaviour is used in photography to remove undecomposed silver bromide as a soluble complex for __________ of the picture.
A Printing
B Developing
C Colour
D Fixation
Activators are those chemicals which help buoying up one mineral in preference to the other in the froth floatation process. Which of the following is an activator?
A Cresylic acid
B Copper sulphate
C Calcium carbonate
D Sodium carbonate
Which one of the following chemicals helps in fruit ripening?
A Ethephon
B Atrazine
C Isoproturan
D Malathion

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