Question:
Can you store lemon pickle in an aluminium utensil? Explain.
Answer:
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.
Q 5.
One day Reeta went to a jeweller's shop with her mother. Her
mother gave an old gold jewellery to the goldsmith to polish. Next
day when they brought the jewellery back, they found that there was
a slight loss in its weight. Can you suggest a reason for the loss in
weight?