Normal breathing rate in one minute of human being, 15-18, 10-12, 20-22, 25-28, In acidic solution ,the litmus paper will be, Blue litmus to red, Red litmus to blue, orange to pink, none of these, Normal heart rate in one minute in human, 72, 78, 68, 80, In the process of inhalation,we take, oxygen, carbon dioxide, Both a and b, none of these, In stomach which acid is present, HCL, H2SO4, CHOO, NONE
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Sainimnni
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