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प्रश्न
Write name.
The reagent that dissolves noble metals.
उत्तर
Aqua regia is 1:3 mixture of concentrated nitric and hydrochloric acids. It dissolves noble metals such as gold, palladium, and platinum.
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संबंधित प्रश्न
Fill in the blanks:
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Mention two uses of the following metals and non-metals
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Fill in the blank
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A metal with melting point less than 50°C is
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______ is a liquid metal.
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Uses of copper
State the position of the following in the periodic table:
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Write name.
Alloy of sodium with mercury.
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| (ii) Solder | B. Surgical instruments |
| (iii) Brass | C. Aircraft body |
| (iv) Stainless Steel | D. Decorative articles |
State the position of the following in the periodic table:
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The most abundant element in the universe is ____________.
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