#StudentTalk - Jaaniye kaise kiye Dipen ne apne padhai ke sabhi Doubts solve Doubtnut ke saath! :D
KO_(2) finds use in oxygen cylinders used for space and submarines. The fact(s) related to such use of KO_(2) is /are :
Assertion : Zr and Hf occur together in nature andare difficult to separate. Reason : Zr and Hf have identical radii due to lanthanide contraction.
Glass ki help se Paper ko kaise jala sakte hai jaaniye Doubtnut ke Sath
In a certain code, pick and choose is written as ko ho po and pick up and come is written as to no ko po. How is pick written in that code? 1) ko 2) po 3) Either ko or po 4) Cannot be determined 5) None of these