Question

1. Can we store lemon pickle in an aluminium container?
2. Utensils made of pyrex glass can be used for heating. Is glass a metal:
3. Why does gallium start melting on our palm?
4. Why does magnesium ribbon start floating on hot water?
G. Practical Skill Based Question:
What do you observe when you add a piece of aluminium to a freshly​

Answer 1

Lemon pickle cannot be stored in aluminium utensils because lemon pickle contains acids, which can react with aluminium (metal) liberating hydrogen gas. This can lead to the spoiling of the pickle. Utensils made of Pyrex glass can be used for heating. ... It is a non-metal.