alkaline
analysis
base
beaker
biology
bottle
change
chemical
chemistry
color
dangerous
discovery
education
equipment
experiment
glass
glassware
indicator
industry
lab
laboratory
liquid
measure
measurement
medical
medicine
ph
pharmacy
phenolphthalein
pink
purple
red
research
sample
school
science
scientific
scientist
simple
solution
student
study
substance
technology
test
tool
university
water