Interview your parents / grandparents to find out about the things they used to do when they were of your age which no longer exist/ no longer followed or done. Example - Leisure-time activities, games, customs practised etc. Minimum 15 questions. Make it interesting. Your interview should have a lot of details for the reader and include pictures/illustrations to vividly describe the yesteryears clearly. You can also add photographs of your parents / grandparents while interviewing them. The project should be created on any digital platform – Word, PPT etc.
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An Olfactory indicator is a substance whose smell varies depending on whether it is mixed with an acidic or basic solution. ... Simply put, olfactory indicators are substances which have a different odour in acid and base solutions. For eg: Vanilla extract has a characteristic pleasant smell, onion and clove oil, etc.
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