A student categorised the different elements as shown below :

Characteristic Al S Fe

a Hardness Yes No No

b Malleability No No Yes

c Ductility No Yes No

d Conductor of electricity Yes No Yes

Identify which of the given characteristics is not correctly matched with the corresponding element.

b and d

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a, c, and d

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c and d

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a, b, and c

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Solution

The correct option is D a, b, and c
The first set of characteristics states that Al is hard but S and Fe are not hard. This is not true because Fe, being a metal, is hard.

The next set of characteristics states that Al and S are not malleable but Fe, being a metal is malleable.

Next set of characteristics explains that Al and Fe are not ductile but S is ductile, which is also not true.

Finally it states that Al and Fe can conduct electricity but S can’t. This is a true characterisation.

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Q. A student categorised the different elements as shown below :

Identify which of the characteristics is not correctly matched with the corresponding element.

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	Characteristic	Al	S	Fe
a	Hardness	Yes	No	No
b	Malleability	No	No	Yes
c	Ductility	No	Yes	No
d	Conductor of electricity	Yes	No	Yes

A student categorised the different elements as shown below : Characteristic Al S Fe a Hardness Yes No No b Malleability No No Yes c Ductility No Yes No d Conductor of electricity Yes No Yes Identify which of the given characteristics is not correctly matched with the corresponding element.

A student categorised the different elements as shown below :

Characteristic Al S Fe

a Hardness Yes No No

b Malleability No No Yes

c Ductility No Yes No

d Conductor of electricity Yes No Yes

Identify which of the given characteristics is not correctly matched with the corresponding element.