Gold dissolves in
1). Hydrochloric acid
2). Nitric acid
3). Aquaregia
4). Acetic acid
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1. What is the maximum Water Vapour content in the atmosphere?
2. Which type of glass is used for making glass reinforced plastic
4. Who among the following has scored 2 triple hundreds in test matches?
5. An example of semiconductor is
6. Synthetic detergents are prepared from
7. The antiseptic compound present in dettol is
8. Refrigerators keep food unspoiled because