1) When compounds are broken up, energy is... a) Released b) Required 2) What is the chemical test for hydrogen gas? a) It burns with a squeaky pop b) It turns limewater cloudy  c) It relights a glowing splint 3) What is the chemical test for carbon dioxide?  a) It relights a glowing splint b) It turns limewater cloudy c) It burns with a squeaky pop 4) What is the chemical test for oxygen? a) It relights a glowing splint b) It turns limewater cloudy c) It burns with a squeaky pop 5) When compounds are made, energy is... a) Required b) Released

Leaderboard

Visual style

Options

Switch template

Continue editing: ?