DP Chemistry (last assessment 2024)

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Question 21M.1.sl.TZ1.4

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Date May 2021 Marks available [Maximum mark: 1] Reference code 21M.1.sl.TZ1.4
Level sl Paper 1 Time zone TZ1
Command term Solve Question number 4 Adapted from N/A
4.
[Maximum mark: 1]
21M.1.sl.TZ1.4

What is the coefficient of HCl (aq) when the equation is balanced using the smallest possible whole numbers?

__CuO (s)+ __HCl (aq) → __CuCl2 (aq) + __H2O (l)

A.  1

B.  2

C.  3

D.  4

 

[1]

Markscheme

B

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