General Knowledge Quiz for Monday, 4 December 2017
A new general knowledge quiz is available every day. Try today's quiz or work through our archive of daily and themed quizzes.
Question 1: Which of these is essential to the production of glass, rayon and cellophane, soaps, detergents, dyeing textiles, water softeners, most photographic film developing agents, and in toothpaste?
A
B
Calcium fluoride
Soda ash
C
Caustic soda
D
Ferrous carbonate