Flame Tests

Which metal ion results in a green flame in a flame test?

• Potassium
• Sodium
• Copper
• Lithium

Which metal ion results in a lilac flame in a flame test?

• Potassium
• Sodium
• Calcium
• Lithium

How can flame tests be used to identify metal ions?

• By observing the color of the flame produced
• By measuring the temperature of the flame
• By counting the number of sparks in the flame
• By listening to the sound of the flame

What color flame is produced by sodium compounds in a flame test?

• Yellow
• Green
• Orange-red
• Lilac

What is the distinctive color of the flame produced by calcium compounds?

• Green
• Orange-red
• Yellow
• Crimson

Which metal ion produces a crimson flame in a flame test?

• Calcium
• Potassium
• Lithium
• Sodium

What happens if a sample contains a mixture of metal ions in a flame test?

• The flame changes color rapidly
• The flame becomes brighter
• Some flame colors can be masked
• No effect on flame colors