1. The tree sends down roots from its branches to the soil is known as?
2. Electric bulb filament is made of
3. Brass gets discoloured in air because of the Presence of which of the following gases in air?
4. which of the following is a non metal that remains liquid at room temperature?
5. Chlorophyll is a naturally Occuring chelate compund in which central metal is ?
6. Which of the following is used in pencils?
7. Which of the following metals forms an amalgam with other metals?
8. The gas usually filled in the electric bulb is ?
9. Washing soda is the common name for
10. Quartz crystals normally used in quartz clocks etc. is chemically?
Your email address will not be published. Required fields are marked *
Save my name, email, and website in this browser for the next time I comment.