supply of science equipments , chemicals / reagents , furnitures for science laboratories of various schools under ee , rd kumarghat division , unakoti dist . during the year 2020-21 :-1 for science laboratory:- 2 ph paper ( best quality ) 3 nitric acid ( concentrated ) ( best quality ) 4 methyl alchol ( ch3oh ) ( best quality ) 5 acetic acid ( ch3cooh ) ( best quality ) 6 acetaldehyde ( chcho ) ( best quality ) 7 acetic acid ( ch3cooh ) ( best quality ) 8 formaldehyde ( hcho ) ( best quality ) 9 benzoic acid ( best quality ) 10 test tube ( best quality ) 11 kipps apparatus ( plastic / glass ) ( best quality ) 12 reagent bottles ( best quality ) 13 tripod stand ( best quality ) 14 burette stand ( best quality ) 15 burette ( 50 ml ) ( best quality ) 16 pipette ( 25 ml ) ( best quality ) 17 sulphuric acid ( concentrated ) ( best quality ) 18 ferrous sulphide ( best quality ) 19 kipps apparatus stand ( wooden ) ( best quality ) 20 silver nitrate ( best quality ) 21 barium chloride ( best quality ) 22 lead nitrate ( best quality ) 23 calcium chloride ( best quality ) 24 wire net ( best quality ) 25 filter paper ( best quality ) 26 litmus paper ( blue & red ) ( best quality ) 27 porcelain dish ( best quality ) 28 wash bottle ( plastic ) ( best quality ) 29 measuring cylinder ( 500 ml ) ( best quality ) 30 measuring cylinder ( 100 ml ) ( best quality ) 31 measuring cylinder ( 50 ml ) ( best quality ) 32 measuring cylinder ( 50 ml ) ( best quality ) 33 conical flask ( 500 ml ) ( best quality ) 34 beaker ( 500 ml ) ( best quality ) 35 beaker ( 100 ml ) ( best quality ) 36 beaker ( 250 ml ) ( best quality ) 37 conical flask ( 250 ml ) ( best quality ) 38 test tube stand ( plastic ) ( best quality ) 39 hydrochloric acid ( hcl ) ( concentrated ) ( best quality ) 40 helical spring with rigid support ( with 5 × 50 g slotted weigh & hanger. ) ( best quality ) 41 sonometer ( best quality ) 42 resonance air column tube ( best quality ) 43 spring balance ( best quality ) 44 meter scale ( wooden ) ( best quality ) 45 meter bridge ( best quality ) 46 compact set of zener diode ( best quality ) 47 galvanometer ( range -30v-0- +30 ) ( best quality ) 48 concave mirror ( of different focal length ) ( best quality ) 49 convex lens ( of different focal length ) ( best quality ) 50 glass prism ( prism angle 60 ) ( best quality ) 51 glass slab ( of different thickness ) ( best quality ) 52 micro ammeter ( 0 – 500 μa ) ( best quality ) 53 inclined frictional plane ( with protector, pan, & pully with weight box ) ( best quality ) 54 pin holder with stand ( best quality ) 55 stop watch ( best quality ) 56 fortin’s barometer ( with mercury ) ( best quality ) 57 boyle’s law apparatus ( with mercury ) ( best quality ) 58 optical bench ( 72”×25”×45” ) ( best quality ) 59 electrical hot cooking plate ( best quality ) 60 electric kettle ( best quality ) 61 digital balance ( electronic ) ( best quality ) 62 cotton ( bundle – 250 g ) ( best quality ) 63 acctocarmine stain ( 125 ml ) ( best quality ) 64 ethanol ( absolute ) solution ( 500 ml ) ( best quality ) 65 diastase tablet ( best quality ) 66 measuring tape ( small – 60” ) ( best quality ) 67 spatula ( chemical ) ( best quality ) 68 tray ( 10” × 14” ) ( plastic / steel ) ( best quality ) 69 beaker ( best quality ) ( 500 ml ) 70 beaker ( best quality ) ( 50 ml ) 71 beaker ( best quality ) ( 20 ml ) 72 beaker ( best quality ) ( 10 ml ) 73 binocular microscope with bulb facility ( best quality ) 74 almirah ( steel ) ( 78”x36”x18” ) ( best quality ) 75 wooden table ( 72”×25”×45” ) ( best quality ) 76 wooden table ( for physics lab. ) ( 18”×16”×18” ) ( best quality ) 77 stool ( 15”×15”×24” ) ( best quality ) 78 white board with stand ( 78” x 48” ) ( best quality ) 79 steel shelf ( normal ) ( open ) ( 70”x36”x14” ) ( best quality ) 80 wooden table ( 36”×24”×30” ) ( best quality ) 81 wooden table small ( 18”×16”×28” ) ( best quality ) 82 steel shelf ( with glass shutter ) ( 70”x36”x14” ) ( best quality ) 83 chair ( wooden-with arm ) ( best quality ) 84 half secretariat table ( wooden / steel ) ( best quality ) 85 practical table with 2 shelve ( 180x145x85 cm ) ( best quality ) 86 steel almirah with glass door ( 78”x36”x18” ) ( best quality )