The luster of a metal is due to
its high density
its high polishing
its chemical inertness
presence of free electrons
The luster of a metal is due to
The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is |
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The most malleable metal is |
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The oil used in the froth floatation process is |
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The number of waves in n x 10th Bohrs orbit are |
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The mass of one Avogadro number of helium atom is |
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The items amenable to detection by soft x-rays are |
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The material which can be deformed permanently by heat and pressure is called a |
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The mass number of a nucleus is |
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The inexpensive and commonly used variety of glass is called soda glass. It is called so because |
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The gas used in the manufacture of vanaspati from vegetable oil is |
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