An element A is soft and can be cut with a knife. This is very reactive to air and cannot be kept open in air. It reacts vigorously with water. Identity the element from the following [NCERT Exemplar Problems]
(a) Mg
(b) Na
(c) P
(d) Ca
An element A is soft and can be cut with a knife. This is very reactive to air and cannot be kept open in air. It reacts vigorously with water. Identity the element from the following [NCERT Exemplar Problems]
(a) Mg
(b) Na
(c) P
(d) Ca
Harshit Singh , 3 Years ago
Grade 12th pass
