UPPSC 2019 General Studies I Solved Paper

Question : 18 of 150

Marks: +1, -0

Which one of the following is NOT correctly matched?
Substance - Use

Silver bromide -artificial photosynthesis
Silver iodide- artificial rain
Lithium bicarbonate- treatment of rheumatism
Milk of magnesia -antacid

Solution:

(a) Silver bromide is mainly used in photography due to its light sensitive nature. It is also used in infrared applications, light-sensitive eyeglasses and semiconductors. Semiconductor

\;\;

photocatalysts (mainly

TiO _{2}

) is used for artificial photosynthesis.

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