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  9. Q14

BPSC (Bihar PCS) 2020 · Question 14 of 150

Limewater is turned milky by

Miscellaneous

  1. ACO
  2. BCO 2Correct
  3. CO 2
  4. DO 3
  5. ENone of the above / More than one of the above

Answer: B. CO 2

Explanation

Understanding Limewater and Gas Reactions Limewater is a common name for a saturated aqueous solution of calcium hydroxide, denoted chemically as Ca(OH)2 . It is frequently used in chemistry ​ experiments to detect the presence of specific gases, particularly carbon dioxide. The key characteristic o

Source: prepp.in

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