Three brands of inks M, N and O were suspected to be contaminated with substance P. The result is shown below; i) Which ink was contaminated with...

Three brands of inks M, N and O were suspected to be contaminated with substance P.
The result is shown below;

i) Which ink was contaminated with substance P
ii) Name the ink which was pure
iii) Identify the other ink which was not pure

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(i) N
(ii) M
(iii) O

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sharon kalunda answered the question on May 21, 2019 at 13:30

Exams With Marking Schemes

• Grade 1
• Grade 2
• Grade 3
• Grade 4
• Grade 5
• Grade 6
• Grade 7
• Grade 8
• Grade 9
• PP1
• PP2
• Playgroup
• Form 1
• Form 2
• Form 3
• Form 4

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