The "skin" of the statue of liberty is made of iron. true false

Answer: Option (A) is the correct answer.

Explanation:

Nitrogen is a non-metal and it is known that non-metals do not conduct electricity. Thus, it will be least conductive out of the given options.

Whereas antimony (Sb) is a metalloid. Metalloid are the substance that show properties of both metals and non-metals. Thus, antimony will conduct electricity.

On the other hand, bismuth (Bi) is a metal hence, it will conduct electricity.

Thus, we can conclude that the order from least conductive to most conductive will be nitrogen (N), antimony (Sb), bismuth (Bi).

Answer: The correct answer is Option A.

Explanation:

Conductivity of an element is defined as the tendency to conduct electricity. This property is shown mostly by metals and then by some metalloids and least by non-metals.

Metals are defined as the elements which loose electrons easily and thus can easily conduct electricity due to the presence of free electrons.

Metalloids are defined as the elements which show the properties of both metals and non-metals. Some metalloids are conductive, some are not.

Non-metals are defined as the elements which gain electrons easily and thus cannot conduct electricity easily and are considered as non-conductive.

From the given options:

All the three elements belong to same group but nitrogen is a non-metal, antimony is a metalloid and Bismuth is a metal.

Thus, the order of conductivity follows:

Hence, the correct answer is Option A.

Answer:

D - Silver has lower reactivity than hydrogen and cannot replace it

Explanation:

If we assume , Ag also reacts just like other metals as

                   Metal + H₂O ---> Metal Hydroxide + H₂

         then Ag forms as

                     Ag + H2O ----->AgOH + H2

           here Ag is converting into Ag⁺ and 2H⁺ are converting into H₂  

             for reaction Ag --->Ag⁺ + e⁻      E° = -0.799 V

             for reaction H⁺ + e⁻ ---->H₂   E° = 0 V

     by Adding those 2 above equations net E° will be -0.799 which is negative.As per Faradays Law

                                   ΔG° = -nFE°

     here we got E° as negative then ΔG° will be positive

As per thermodynamics if ΔG° is +ve then reaction is not feasible

so, then given reaction does not occur.....

Answer:

Silver has lower reactivity than hydrogen and cannot replace it

Explanation:

took test

Propanone is more soluble in water compared to propane mainly because propanone cannot hydrogen bond with themselves but can hydrogen bond with water molecules. One of the slightly positive hydrogen atoms in a water molecule can be sufficiently attracted to one of the lone pairs on the oxygen atom of propanone. In order for 3-hexanol to bond with water, the van der Waals forces must be broken and also the stronger hydrogen bonds of water molecules and it needs a great amount of energy.

Answer: Radioactive

Explanation: