Lead pencil contains
1). lead
2). ferrous sulphide
3). lead sulphide
4). graphite
Answer This Question with Explaination and Earn! Click Here to Know More!
1. Identify the metal which is nontoxic in nature
2. The function of sedimentation tank in sewage treatment is to:
3. The highest volume of gases in lower atmosphere is comprised of
4. Detergents clean surfaces on the principle of
5. Why does a cannon recoil after firing ?
6. The main buffer system of the human blood is
7. Humburger effect is otherwise known as
8. Question 3.13:Explain why cations are smaller and anions larger in radii than their parent atoms?
9. What is used to prevent freezing of fuel in space carfts?