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........ is available in different colours and contains lead, zinc, oil, petroleum, spirit and resinous matter. यह विभिन्न रंगो मे उपलब्ध है, और इससे सीसा, जस्ता, तेल, पेट्रोलियम, स्पिरिट और रालयुक्त पदार्थ शामिल है।

When heated to 205 ºC, pure gypsum loses its luster and its specific gravity is increased from _____ to _____ due to the loss of water of crystallization.

‘तारी़ख-ए-फिरोजशाही’ के लेखक ............ है।

An autocatalyst is एक स्वोत्प्रेरक वह है

The soling layer in foundation is computed in ........... नींव में सोलिंग परत की गणना_______में की जाती है।

If the weight of an object on the moon is 60N, then what will be the weight of that object on the surface of the earth? यदि चंद्रमा पर किसी वस्तु का भार 60 N है, तो पृथ्वी की सतह पर उस वस्तु का भार कितना होगा?

अंतर्राष्ट्रीय ऊर्जा एजेंसी क्लीन एनर्जी के लिए किस आईआईटी के साथ सहयोग किया है?

इनमें से किस वाक्य में गलत विशेषण प्रयुक्त हुआ है?

Directions : Read the passage given below and answer the questions that follow. (296 to 304) : The future of water will be a gamble - resting entirely on the way we decide to play the game here. Either we continue to use water irresponsibly, threatening the very existence of this planet, or we adopt sustainable and smart water management practices to build a water secure future. By 2050, India's total water demand will increase by 32 percent from now. Industrial and domestic sectors will account for 85 percent of the additional demand. Over-exploitation of ground-water, failure to recharge acquifers and reduction in catchment capacities due to uncontrolled urbanisation are all causes of the precarious tilt in the water balance. If the percent rate of groundwater persists, India will have only 22 percent of the present daily per capita water available in 2050, possibly forcing the country to import its water. Optimists believe that India's people some 1.7 billion by 2050, will have integrated water efficient prcatices into their daily lives. If the ambitious water sustainability goals set by global industries and governments are testament we dare say that the world has begun to recognize water as a resource after all. While beverages gaints are focussed on returning water to the communities where they manufacture their drinks, food processing players are engaging with farmers and upstream actors to minimise water usage across the supply claim and textile houses are evangelising the concept of sustainable fashion. Companies have realised the risks emanating from the possibility of a water-scare future. This has triggered companies to re-engineer processes, implement water optimizing, technologies, establish water audit standards, and use a collaborative approach to deal with the water crisis. We will face a severe water-scarcity problem in future mostly because :