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Green technology, also known as sustainable technology, takes into account the long- and short-term impact something has on the environment. This process combines a renewable source with green chemistry and could replace petrochemical-based monomers such as acrylates, which are currently used as building blocks for coatings, resins and paints. MCQ Questions for Class 10 Science with Answers was Prepared Based on Latest Exam Pattern. ISRO had been carrying out technology demonstration projects involving green propellant combinations such as kerosene, Hydrogen Peroxide, Liquid Oxygen, AND-Glycerol-water, AND-Methanol-water. Check important MCQs from CBSE Class 10 Science Chapter 2 Acids, Bases and Salts to prepare for the objective type questions in CBSE Science Board Exam 2020. Water consumptions in different types of textile industries, Green chemistry (Effluents treatments and purification). Fertilizer C. Paper GK / General Studies Test with multiple choice questions (MCQs) for UPSC, Civil Services, SSC, Banking, UPPSC, RPSC, KPSC, KAS, MPSC, MPPSC etc. A paper on the new process was published in the journal Science Advances on December 16, 2020. Green chemistry, also called sustainable chemistry, is an area of chemistry and chemical engineering focused on the design of products and processes that minimize or eliminate the use and generation of hazardous substances. 3. A. 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L'Oréal researchers chose to start with a natural sugar extracted from beech wood: xylose, a renewable raw material.It was ground, dissolved in water (a particularly harmless solvent), reacted in the presence of hydrogen and, after a few hours of agitation, heated slightly with a catalyst. Ans . ‘Green Chemistry’ Research Exploring Possibility of Using Water as a Solvent Will Blodgett (CHEM, CHE, M.S. Water technology In the last decades, the need for clean surface water and the importance of drinking water have become clear. The Evolution of Modern Science. Green Chemistry provides a unique forum for the publication of innovative research on the development of alternative green and sustainable technologies.. and the United Kingdom have launched major initiatives in green chemistry and, more recently, the Green and Sustainable Chemistry Network was initiated in Japan. Download CBSE Class 9 Science Chemistry MCQs in pdf, Science chapter wise Multiple Choice Questions free, 1. Green products are by definition, environmentally friendly. Green engineering, along with green chemistry, are engaged through science and technology on ensuring that quality of life, or state of economic development is increasing through b enign chemicals, Iron B. Some are currently in development and others are trying to gain a greater foothold in society, but all are promising solutions to some very real threats the world is facing. Environmental chemistry is the branch of chemistry which deals with the study of the sources, reactions, transport, effects, and fates of chemical species in the air, soil, and water environments and the effect of human activity on these things.. Environmental Chemistry MCQs. Introduction to Polymer Science and Technology. Red b. Scope. This green chemistry process keeps 3.5 million pounds of CFCs out of the atmosphere and only uses existing CO2, so that it helps reduce global levels of CO2. Chemical Engineering Vocabulary. The inaugural edition of the journal Green Chemistry, sponsored by the Royal Society of Chemistry, appeared in 1999. (a) Q. A chemical used for removing dissolved Oxygen gas in boiler feed water is, a)Hydrazine b)Sodium aluminate c) alume d) Sodium phosphate Ans. (b) Q. Scales in boiler are formed due to …. The scope of Green Chemistry is based on, but not limited to, the definition proposed by Anastas and Warner (Green Chemistry: Theory and Practice, P T Anastas and J C Warner, Oxford University Press, Oxford, 1998). The two companies will collaborate in offering eco-friendly, cost-effective and … A green and efficient protocol is reported for the elegant design of reduced graphene oxide (rGO)-supported Ru nanodendrites for promotion of electrochemical water reduction in a wide pH range as well as for environmental remediation. 2. Here are 10 burgeoning technologies that have the potential to help revolutionize our planet of consumerism. 11. (c) 12. 1. 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