The World of Metals and Non-metals — Science STD 7 — Question
Gujarat BoardEnglish MediumSTD 7ScienceThe World of Metals and Non-metals2 Marks
Question
Sodium metal is kept in kerosene but not water. Why?
✓
Answer
Sodium is a highly reactive metal. When exposed to air, it starts to burn and forms sodium oxide. Similarly, it reacts vigorously with water. It does not react with kerosene. Therefore, to prevent its exposure to moisture and air, it is kept in kerosene.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.