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Which one of the following is NOT correctly matched?
[UPPSC 2019]
1) Silver bromide – artificial photosynthesis
2) Silver iodide – artificial rain
3) Lithium bicarbonate – treatment of rheumatism
4) Milk of magnesia – antacid
The correct answer is Silver bromide – artificial photosynthesis.
Silver bromide is used in the manufacture of photographic emulsions.
Key Points
AgBr is the chemical formula for Silver bromide. It is extremely sensitive to light.
When exposed to light, silver bromide decomposes and later it preserves a photographic image.
Additional Information
Artificial photosynthesis is also known as Photocatalysis.
This process replicates natural photosynthesis to reduce anthropogenic carbon dioxide (CO2), increase fuel security, and provide a sustainable global economy.
Silver iodide is used to create artificial rain.
Lithium bicarbonate is used in the treatment of rheumatism.
Its formula is LiHCO3.
Rheumatism might increase the incidence of bipolar disorder development.
Milk of magnesia is used as an antacid.
Its formula is Mg(OH)2.
1) Silver bromide – artificial photosynthesis