An electric iron has a heating element made of:
1). Copper
2). Tungsten
3). Nichrome
4). Zinc Technical
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1. An example of replenshible energy source is
2. The monomer of polythene is
3. The scientist who experimentally proved the existence of positron is
4. Glycol is used to manufacture which of the following ?
5. Question 14.25:What are the different types of RNA found in the cell?
6. Bleaching action of moist sulphur dioxide is because of its
7. Which of the following is used as filler in tyre of rubber ?
8. Which of the following elements has the lowest melting point?
9. Which of the following elements has the lowest melting point?