Identify the element based on the statement given below:
Soft metal stored under kerosene oil

Sodium

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Carbon

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Beryllium

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Sulphur

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Solution

The correct option is C Sodium
Carbon, beryllium, and sulphur are not stored under kerosene. Sodium is stored in kerosene because it is a highly reactive metal. If kept in an open container, it will react with oxygen and water vapour present in the atmosphere producing sodium oxide and sodium hydroxide respectively which is a highly exothermic reaction. Hence the correct option is A.

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Similar questions

Question 41
Properties of the elements are given below. Where would you locate the following elements in the periodic table?

(a) A soft metal stored under kerosene.

(b) An element with variable (more than one) valency stored under water.

(d) An element which is an inert gas with atomic number 2.

(e) An element whose thin oxide layer is used to make other elements corrosion resistant by the process of “anodizing”.

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