The Tests Flashcards
Is the test fr Acid and Alkalis chemical
yes
What does Litmus indicator do
only tells you if the substance is acid or alkaline
What colour is Litmus is alkali and acid
red in acid, blue in alkali
What does Universal indicator do
Tell you how strong an acid or alkali is on pH scale
Does Universal indicator turn into a range of colours
yes
Is the Test for metal physical
yes
How can you test for metal
see if it conducts electricity
Is the test for gases physical
no, its chemical
Test for CO2
bubble it through limewater and see if it turns milky
Test for Oxygen
make a glowing splint burn in a flame
Test for Hydrogen
Lighted splint burns Hydrogen witha squaky pop
Is the Test for water Chemical
yes
How to test for water
Cobaly Chloride paper
Another test for water is
Anhydrous copper sulfate
What temperature does pure water boil at
100C
Is the test for pure water Physical
yes
what colour does the cobalt chlordie turn to in water
from blue to pink in water
What colour does Anhydrous copper suflate turn to in water
from white to blue
What happens if you evaporater pure water
no residue is left behind
is the test for metal physical
yes
what is the only way to test for metal
see if it conducts electricity
