cHEM Flashcards
(7 cards)
1
Q
Flame test
A
Nichrome wire dipped in concentrated hydrochloric acid and into a blue busen burner flame
2
Q
periodic table and differences
A
-Mendeleev arranged by atomic mass, modern arranged by atomic number
-Mendeleev have gaps for undiscovered elements, modern doesn’t
-Mendeleev has no translation metal block and modern does
-no noble gases in Mendeleev
3
Q
Ethanol
A
Burning it-Blue flame
4
Q
Water
A
Anhydrous copper(II) sulfate turns blue when water is added
5
Q
Oxygen
A
Glowing splint will relight when placed in oxygen
6
Q
Hydrogen
A
Glowing splint placed at end of test tube will make a pop sound
7
Q
Chlorine
A
Damp universal indicator red then bleaches
