1.

7 | P a g e(c) सीएफसी(d) अëवषाSQ20. ____isacommonlyusedchemicalmethodforpurifyingwater.(a)Brominization(b)Fluorination(c)Filtration(d)Chlorinationपानीकोशºकरन ु के ेिलएआमतौरपर_________रासायिनकतरीकाइàमालिकयाहै।े(a) ~ोिमनशने(b) üलोरीनशने(c) िन½ंदन(d) æोरीनीकरणPart-II(भाग-II)SECTION-A(सrन े -ए)Veryshortanswertype(अितलघुउsरवालेQR)Q21.Writeoneexampleofkharifcrop.खरीफकीफसलकाएकउदाहरणिलिखए।Q22.Completetheseries:Reduce,Reuse,Recycle,_______,Refuseøृंखलाकोपराकरa:ूउपयोगकमकरa,पन:उपयोग ु करa,पनःचिÖतकरa,_______,उपयोगनाकरaIुQ23.Definepetrochemicals.पâोके ेिमक£सकोपिरभािषतकरa।Q24.Giveanytwoexamplesofendemicspecies.ïािनकQजाितयiकेकोईदोउदाहरणदa।Q25.Plastidsarefoundin_______cells.Øाि£¬स_______कीकोिशकाओमaपाएजात ं हU।ेQ26.Inwhichpartoffemalereproductivesystem,doesfertilizationtakeplace?मादाजननांगकेिकसभागमaिनषचनहोताहै?ेQ27.Whatistheuseoflubricantslikegrease?​

Answer»

Answer:

Q20 filtration

EXPLANATION:

Q 27 grease use for disturbing SOUNDS like SWING mixtures ETC they put grease on that so the sound will STOP

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