(a) Nails are made of plastic :
If nails are made of plastic, they will not be able to pierce through other substances on being pushed or forced by a hammer.
Plastic lacks the property of hardness.
(b) A bell is made of wood :
1. If a bell is made of wood it will never make a ringing sound.
A wooden bell does not have the property of being sonorous.
2. Sonority is the property of metals to produce a ringing sound.
(c) Rubber is not fitted on a pair of tongs :
1. Rubber is a bad conductor of heat and electricity. It will not allow heat to pass to the hands/handle of the tongs, thus protecting us.
2. Pair of tongs are made up of metals which conduct heat and electricity. They have file property of thermal conduction and electrical conduction.
3. If rubber is not fitted on a pair of tongs, we will not be able to lift hot objects with it.
(d) A knife is made of wood :
Wood does not have the property of malleability.
Therefore,
The edge of wooden knife will be blunt.
Hence,
We will not be able to cut anything with it.
(e) An axe is made of rubber :
1. If an axe is made of rubber, it will not be used to cut wood or tree.
2. Rubber does not have the property of hardness that is required to push through to cut it.
