Chemistry · Metals and Non-metals
'X' and 'Y' are chemical elements that are highly reactive with air and moisture, and are therefore stored under kerosene. What could 'X' and 'Y' be?
- 1Sulphur and Potassium
- 2Phosphorus and Sulphur
- 3Phosphorus and Sodium
- 4Sodium and Potassium✓
Correct answer
Sodium and Potassium
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