Question

12. The pH of blood from 7.26 to 7.42 is maintained
by buffer :-
(1) H2CO3/HCO3-
(2) H3PO4/H2PO4-
(3) CH3COOH/CH3COO-
(4) NH2-CH2COOH/NH2CH2COO-​

Answer 1

Answer:

2 is your correct answer

Answer 2

Answer:

ᴛʜᴇ ʙᴜꜰꜰᴇʀ ꜱʏꜱᴛᴇᴍ ᴡʜɪᴄʜ ʜᴇʟᴘꜱ ᴛᴏ ᴍᴀɪɴᴛᴀɪɴ ᴛʜᴇ ᴘʜ ᴏꜰ ʙʟᴏᴏᴅ ʙᴇᴛᴡᴇᴇɴ 7.26 ᴛᴏ 7.42, ɪꜱ. ʜ2ᴄᴏ3/ʜᴄᴏ-3 ʙᴜꜰꜰᴇʀ ꜱʏꜱᴛᴇᴍ ʜᴇʟᴘꜱ ᴛᴏ ᴍᴀɪɴᴛᴀɪɴ ᴘʜ ᴏꜰ ʙʟᴏᴏᴅ ʙᴇᴛᴡᴇᴇɴ 7.26 ᴛᴏ 7.42.

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