The chemical used in developing photographic films is
A). Silver bromide
B). Hypo
C). Sodium sulphate
D). Hydroquinone
Silver bromide
In photography, silver bromide is used on photographic film, because it is unusually sensitive to light exposure.
2. Percentage of lead in lead pencils is
3. The fiber least prone to catch fire is
4. Warming Ammonium chloride with sodium hydrochloride in a test tube is an example of
5. An alloy used in making heating elements for electric heating device is
7. Which among the following is white phosphorus?
8. Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful