Testing For Substances
Crossword
 
1 2
3
4
5
6
7
8
Across:
3 Turns universal indicator PURPLE
6 This gas re-lights a glowing splint
7 With a lighted splint, this gas explodes with a POP
8 Turns universal indicator RED
Down:
1 (2 words) This gas turns lime water milky
2 Warmed Benedicts solution will turn orange/red if this substance is present
4 Turns iodine blue/black
5 This turns "Biuret" purple with dark blue flecks