|
INDICATOR
|
ACIDS
|
BASES
|
|
phenolphthalein
|
colourless
|
pink
|
|
methyl orange
|
red
|
yellow
|
|
red litmus
|
red
|
blue
|
|
blue litmus
|
red
|
blue
|
|
ALLOY
|
COMPOSITION
|
|
|
brass
|
Cu + Zn
|
|
|
stainless steel
|
Fe + Ni + Cr
|
nickel , chromium
|
|
bronze
|
Cu + Sn
|
copper, tin
|
|
solder
|
Pb + Sn
|
lead, tin
|
|
amalgam
|
if any one is mercury
|
|
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Cheatography n. The art of mapping complex subjects into clear, instantly navigable reference guides.
