DP Chemistry (last assessment 2024)

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Question 21M.1.sl.TZ1.19

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Date May 2021 Marks available [Maximum mark: 1] Reference code 21M.1.sl.TZ1.19
Level sl Paper 1 Time zone TZ1
Command term Apply Question number 19 Adapted from N/A
19.
[Maximum mark: 1]
21M.1.sl.TZ1.19

Which is amphiprotic?

A.  NH4+

B.  PO43−

C.  H2O

D.  H3O+

[1]

Markscheme

C

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