Exams › JEE Main › Chemistry

A firework emits a crimson-red flame. Which metal salt is present in it?

1. Calcium
2. Sodium
3. Strontium
4. Barium

Correct answer: Strontium

Solution

A crimson-red flame is characteristic of strontium salts. Sodium gives a golden-yellow flame, so the stored answer is wrong.

Related JEE Main Chemistry questions

• Which statement correctly describes how chemical reactivity changes down the group for alkali metals and halogens?
• Which of the following is a true peroxide?
• When zeolite, a hydrated sodium aluminium silicate, is used with hard water, which ions from the water replace the sodium ions in the zeolite?
• Among the following carbonates, which one is the least thermally stable?
• The solubility of carbonates falls as we move down the magnesium group because there is a reduction in the
• Which of the following salts fails to give any colour in a flame test?

⚔️ Practice JEE Main Chemistry free + battle 1v1 →