Actinides are the elements with atomic numbers from
97 to 104
101 to 115
89 to 103
36 from 43
Actinides are the elements with atomic numbers from
The two elements that are frequently used for making transistors are |
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The filament of an electric bulb is made of |
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Diamond is an allotropic form of |
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In fireworks, the green flame is produced because of |
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Permanent hardness of water can be removed by adding |
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Marsh gas is |
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LPG consists of mainly |
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Air is a/an |
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Production of chlorofluorocarbons (CFC) gas which is proposed to be banned in India, is used in which of the following domestic products? |
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Balloons are filled with |
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