B. KNO3
C. KO2
Chemistry, 17.03.2021 23:40 israbennett
Which of the following is used in breathing masks?
A. KCl
B. KNO3
C. KO2
D. K2SO4
Answers: 3
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You know the right answer?
Which of the following is used in breathing masks?
A. KCl
B. KNO3
C. KO2
B. KNO3
C. KO2
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