The cathode of a lead storage battery is made up of
1). Zinc
2). Lead
3). Lead oxide
4). Manganese dioxide
1. Which of the following metals causes ItaiItal disease
3. Which one of the following is found in Vinegar ?
4. The acid present in red ants is
5. Which halide is used in making sensitive emulsion on photograhic film
6. Humburger effect is otherwise known as
7. Extensively used nitrogenous fertilizer is
8. A powerful eye irritant present in smog is
9. Which among the following is present inside the nucleus of an atom?