Answer the following questions:
Why do pure gold and platinum always glitter?

Explain the following: Why do pure gold and platinum always giltter?

Answer the following questions What do we get from forests

Answer the following question: Why are food chains rarely simple?

Answer the following questions: Why do new iron sheets appear shiny?

Answer the following questions: Why is it essential to ban plastic bags?

Answer the following questions: Why do energy and work have the same units?

Answer the following question: Why do we hold a steel glass in a handkerchief while drinking hot milk from it? What are other examples of this kind?

Answer the following questions: What do you understand by unit work?

Answer the following questions: How do you measure pH on a pH scale?

Answer the following questions : What do you mean by oxidant? Explain with suitable example.