You can use these, made by blowing soap film through a wand, to detect carbon dioxide
In the 1960s & 70s this founding member of OPEC had the highest per capita income in Latin America
During its modern history, this country has had several flags, most depicting the temple of Angkor Wat
It's the 1-letter name of "The fashion magazine for the discerning woman"
England's king stopped attending cabinet meetings around1715 & this position evolved to replace him
This Caribbean country adopted France's tricolor flag but removed the central white stripe
This ex-love of Jerry Seinfeld is now a designer; Julia Roberts wore one of her bustiers in "Erin Brockovich"
[Alex] I'm holding the South Korean flag; the red & blue emblem in the center is this symbol which stands for balance in the universe
[Jimmy] This hat is named for the part of a plant stem from which it's made
Use the dye from boiled red cabbage to tell alkalis apart from these, like lemon juice