An element A is soft and can be cut with a kn | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(A) The properties described are characteristic of alkali metals. $1$. Alkali metals like sodium $(Na)$ and potassium $(K)$ are soft enough to be cut

Vedclass · Accepted Answer

$Na$

Vedclass · Answer

(A) The properties described are characteristic of alkali metals. $1$. Alkali metals like sodium $(Na)$ and potassium $(K)$ are soft enough to be cut with a knife. $2$. They are highly reactive with oxygen in the air,forming oxides,and are therefore stored under kerosene to prevent contact with air and moisture. $3$. They react vigorously with water to produce hydrogen gas and metal hydroxides. $4$. Among the given options,$Na$ (Sodium) fits all these criteria perfectly.

An element $A$ is soft and can be cut with a knife. It is very reactive to air and cannot be kept open in air. It reacts vigorously with water. Identify the element from the following:

Similar Questions

Which one of the following metals does not react with cold as well as hot water?

Give two examples each of metals that are good conductors and poor conductors of heat,respectively.

Which medicine is prepared using ammonia?

List three properties of sodium in which it differs from the general physical properties of most metals.

Although metals form basic oxides,which of the following metals form an amphoteric oxide?

Vedclass Test Series

Exam Paper Generator

Online Exam Module