Assertion: Silver bromide decomposition is used in black and white photography. Reason: Light provides energy for this exothermic reaction.
A
Both A and R are true and R is the correct explanation of A
B
Both A and R are true and R is not the correct explanation of A
C
A is true but R is false
D
A is False but R is true
Text Solution
AI Generated Solution
Topper's Solved these Questions
SAMPLE PAPER 2023 TERM I
CBSE MODEL PAPER|Exercise SECTION-B|2 Videos
SAMPLE PAPER 2023 TERM I
CBSE MODEL PAPER|Exercise SECTION-C|2 Videos
SAMPLE PAPER 2022 TERM II
CBSE MODEL PAPER|Exercise SECTION B|4 Videos
SAMPLE PAPER 2024
CBSE MODEL PAPER|Exercise C|15 Videos
Similar Questions
Explore conceptually related problems
Name two salts that are used in black and white photography.
Which one of the following compounds is used in 'black and white' photography ?
Black and white photographic film is based on the light-catalyzed chemical reaction
Assertion (A) : Silver bromide is used on photographic and X - ray film . Reason (R ) : Silver bromide is photosensitive and change to silver and bromine in presence of sunlight and undergoes decomposition reaction.
Assertion : Hyydroquinone is used as a developer for developing black and white photographic film. Reason : Hydroquinone reduces silver bromide to black silver particles and an inverted images of the object is produced on a cellulod film.
Name two salts that are used in black and white photography. Give equations of the reactions that occur when these are exposed to sun light
Assertion : Fossil fuels are important source of energy. Reason : Fossil fuels provide energy to different industries.
Assertion A: When hydrogen and nitrogen combines, ammonia is formed. Reason(R):It is an exothermic reaction.
CBSE MODEL PAPER-SAMPLE PAPER 2023 TERM I-SECTION-E
