य र व ल अपने देश के कई भागों में इधर-उधर ताम्बा काफी मात्रा में बिखरा पड़ा है। जमीन के ऊपर बने छेद से तेजाबी घोल डाला जाए तो ताम्बा उसमें घुल जाएगा। विस्फोट करने से जमीन के अन्दर का ताम्र अयस्क भण्डार टूट-फूट जाएगा। इसके लिए न्यूक्लियर विस्फोट बहुत उपयोगी सिद्ध हो सकता है। पारम्परिक तरीकों से इसे निकालने में बहुत खर्च आएगा। इस द्रव ताम्बे को ऊपर खींचा जा सकता है।
Which tree species is considered the tallest plant in Asia and is found in the Uttarkashi district of Uttarakhand?
Diapause is the period of arrested growth or development in the life cycle of the insects. The occurrence of diapause during summer due to high temperat...
Which organization provides the list of agriculture products that are banned or restricted for import/export in India?
The organelle responsible for the synthesis of lipids and the modification of proteins is
What is the minimum germination percentage of wheat?
The most commonly used method of herbicide application in India is
Alkali soils appear black due to
MSP is a form of market intervention by the Government of India to insure agricultural producers against any sharp fall in farm prices. MSP is announced...
An area having Nutrient index> 2.33 will be
Agmark standards do not cover quality guidelines for which of the following commodities
