0.1% Aqueous Bromothymol Blue Indicator Solution, 500mL Material_PMP For yes/no

For yes/no

Adjustable hardwood ramp track with a 30 by 120cm running surface and a run-off section

a 75mm-long equilateral acrylic prism with 25mm faces refracts light through measurable angles for Snell's law and rainbow demos

Mid-low-range resistance box stepping from 10 ohms to 100 ohms in 10-ohm increments on a single rotary dial

Visualizes linear thermal expansion through a fitted metal bar and gauge

0.1% Aqueous Bromothymol Blue Indicator Solution, 500mL Material_PMP For yes/noPre dissolved 0. 1% aqueous bromothymol blue solution in a 500mL bottle, the ready to use indicator for acid base titrations transitioning from yellow under pH 6 to blue above pH 7. 6.