7. Fresh egg test-simply put an egg inside a glass of water and watch the result.
8. Your cereal is stale and you hate it? Have no fear. On a baking tray, spread the cereal and then put it in the oven for 5-10 minutes and hey presto, fresh cereals again.
9. Fond of drinking lemon water, are you? Put the lemon slices in a ziplock bag and freeze them. The flavours and juices of the frozen slices will dissolve much faster in the water.