🧪 M.C.Q.: Choose the correct answer(s) ✅

• 1. Methane is:
• a transparent and odourless gas 🌫️ a black solid a transparent liquid

• 2. When the collar of the Bunsen burner is open:
• methane combustion is complete methane combustion is incomplete the flame is blue 🔥

• 3. When methane combustion is complete, the following are formed:
• carbon dioxide water 💧 carbon

• 4. When methane combustion is incomplete, the following are formed:
• carbon monoxide ☠️ water carbon dioxide carbon

• 5. The substances consumed during methane combustion are:
• water dioxygen carbon dioxide methane

• 6. Carbon monoxide is a gas:
• that is dangerous ☠️ (even deadly) that appears when the flame is yellow that forms when combustion is incomplete

📊 RESULT: