Chapter 1 Flashcards
(10 cards)
1
Q
Direct proportion?
A
one increase, other increase (decrease)
2
Q
Inverse proportion?
A
one increase, other decrease; vice versa
3
Q
independent?
A
change in purpose
4
Q
dependent?
A
changes occur due to independent variables
5
Q
constant?
A
constant throughout experiment
6
Q
Test for carbon dioxide?
A
clear lime water: bubble gas through, milky
hydrogen carbonate indicator, CO2 concentration in solution
red solution becomes orange/yellow, purple if CO2 removed
7
Q
example of acid and base?
A
base: HCL
alkali: NaOH
8
Q
how litmus paper and universal indicator different?
A
litmus paper does not show pH
9
Q
test for water?
A
cobalt chloride paper: purple -> pink
10
Q
test for oxygen?
A
glowing splint near gas, if reignites -> oxygen
