Assumed knowledge Flashcards
1
Q
Reactions that require energy are described as…
A
Endothermic
2
Q
What is precipitation ?
A
reaction of two solutions to form an insoluble solid called a precipitate
3
Q
Test for oxygen?
A
Relights glowimg splint
4
Q
Test for carbon dioxide?
A
Limewater turns cloudy
5
Q
Reactions that release energy are described as…
A
Exothermic
6
Q
Test for alkalai?
A
When mixed with indicator turns purple/blue
7
Q
Test for acid?
A
When mixed with indicator turns red/orange
8
Q
Test for hydrogen?
A
Burning splint held at an open end of a tube and then burns with a squeaky pop
