Question

3. Police stopped a truck at a check post which claims to be carrying sacks of a black water soluble fertilizer
LEVEL 2
When the truck is examined, it is found to have sacks of at least four different materials which the police
labelled as W, X, Y and Z. They suspect that apart from the fertilizer, the truck is carrying iron filings
qunpowder and black powdered wood. They conducted some tests whose results are as follows:
IW
Physical form
Black lumps Fine black pieces Black pieces
Fine black powder
Dissolves in water Yes
No
No
No
Attracted to magnet No
Yes
No
No
Burns when lit No
No
Yes, after sometime Easily, explosively
Identify: a)
b)
c) Y
d) Z
f
an vanuickly after filling petrol in vehicles They dos herause​

Answer 1

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