An element A is soft and can be cut with a knife. This is very reactive to air and cannot be kept open in the air. It reacts vigorously with water. Identify the element from the following (a) Mg (b) Na (c) P (d) Ca

Answer: (b) Na

Sodium is an alkali metal and is so soft that it can be easily cut by knife.

  • Soft metals are those which can be cut and easy to dent, work, or cut without shattering, malleable.
  • Sodium metal is soft enough to be cut with a knife.

Was this answer helpful?

 
   

0 (0)

(0)
(0)

Choose An Option That Best Describes Your Problem

Thank you. Your Feedback will Help us Serve you better.

Leave a Comment

Your Mobile number and Email id will not be published. Required fields are marked *

*

*

BOOK

Free Class

Ask
Question