bids are invited for science lab items - physics 1 surface tension apparatus 2 2 archimedes experimental set up 1 3 youngs modulas apparatus 3 4 sonometer apparatus 3 5 p-n junction diode ( manual ) 2 6 viscocity apparatus 3 7 ohms law apparatus 3 8 battery eliminator 3 9 step down transformer 2 chemistry 10 hydrochloric acid 2.5 l 1 11 sulphuric acid 2.5 l 1 12 nitric acid 2.5 l 1 13 ammonia solution 500 ml 5 14 acetic acid ( 500 ml ) 500 ml 1 15 silver nitrate solution ( 500 ml ) 1 16 ammonium carbonate ( 500 gm ) 1 17 ether solvent ( 500 ml ) 1 18 ammonium ferrous sulphate ( 500 gm ) 1 19 potassium permanganate ( 500 gm ) 1 20 ammoniumacetate ( 500 gm ) 1 21 benzaldehyd e ( 500 ml ) 1 22 ferric chloride ( 500 ml ) 4 23 reagent bottles ( narrow mouth ) 60 24 test tubes ( borosil ) ( 20 ml ) 4 25 burettes ( 50 ml ) 25 26 glass rods 8 12 27 self sticking stickers 10 28 droppers ( 3ml ) 12 29 spirit , 500 ml 10 30 beakers 100ml 1 31 electrical water bath 1 32 wire gauze 12 33 test tube brushes 1 34 potassium iodide ( 500 gm ) 5 35 potassium hydrogen carbonate ( 500 gm ) 1 36 sodium sulphate flakes ( 500 gm ) 1 38 potash alam ( 250 gm ) 1 39 aniline ( 500 ml ) 1 40 acetone ( 500 ml ) 1 41 napthalene solution ( 500 ml ) 1 42 soap solution ( 500 ml ) 43 lead acetate ( 500gm ) 1 44 lead nitarte ( 500 gm ) 1 45 atomic model teacher 1 46 vinegar solution ( 500 ml ) 1 biology 47 test tube stands 20 48 beakers ( 100 ml ) 20 49 test tubes 1 50 oscilletoria ( slide ) 1 51 spirogyra ( slide ) 1 52 lichen ( slide ) 1 53 stethescope 1 54 bp apparatus digital 1 55 thermometer digital 2 chemicals 56 ethanol 1 57 formalin 4 58 cotton blue stain 1 charts 61 solanaceae ( family ) 1 62 astoraceae ( family ) 1 63 pedigree analysis 1 64 educational raxine charts ( size 75x100cm ) ; biology: genetics ( black raxine ) , pedigree: colour blindness 1 65 flash card 1 models 66 homologous x analogous 1 67 analogous organs 1 68 specimens: root modules 1 69 eichhornia 1 70 wheat infloroslence 1 71 cuscuta 1 72 hydrilla 1 73 liver fluke 1 junior science 74 bar pendulam 1 75 balance digital 1 76 glass jar gold leaf electroscope 1 77 hydro power model 1 78 newton colour disc 1 79 atomic model set 1 80 cockroch dissected model 1 81 skin model 1 82 hydra 1 83 mosquito culex 1 84 solar water pump 1 85 solar panel 1 86 full size torso ( magnetic ) superior 1 87 compass box 1 88 inclined plain