Give 10 examples of non- metals.

 I want 5 slogans about  plastic

what is the purest form of carbon?

why is petroleum called black gold????

what is the relationship between frequency and time period

 define atom

difference between plant cell and animal cell

What is meant by test Tube babies ? Explain...

Find out the location of the deposits of iron, alimunium and zinc in india?

What are the methods of reducing friction? Explain .

Why do plant cells have cell wall and animal cells do not?

give 15 musical instruments with their names and their vibrating parts?

How can i make a working model of a water cycle?

DIFFERENCE BETWEEN PLANETS AND SATELLITES

give some more examples of electrostatic force