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Chemistry
: The p Block Elements
सामग्री की वेल्डिंग और कूलिंग में नाइट्रोजन को प्राथमिकता क्यों दी जाती है? , Why is nitrogen preferred in the welding and cooling of materials?
Why is nitrogen preferred in the welding and cooling of materials?
A.
It is an inert gas
यह एक अक्रिय गैस है
B.
It is non-toxic
यह गैर विषैला होता है
C.
It’s a gas and can easily be handled
यह एक गैस है और इसे आसानी से संभाला जा सकता है
D.
It has an extremely low freezing point
इसका अत्यंत निम्न हिमांक होता है
Solution
A. It is an inert gas
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