Q. The most composition of sun is mainly

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Q. Chemical elements contains only

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Q. Losing a small molecule from the original organic molecule is

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Q. During the elimination reaction of Halogenoalkanes, the reagent used is

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Q. If ethanol will be used in the elimination reaction of Halogenoalkanes it will produce

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Q. The enthalpy change of vaporization is lowest for

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Q. Metals are good conductors due to

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Q. What is true about metal atoms?

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Q. The attractive forces between metal ions and delocalized electrons can be made weaker only at

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Q. Covalent solids are

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Q. Metals lose electrons from their lattice to become

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Q. Neither ions nor electrons are free to move in

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Q. The attractive forces between metal ions and delocalized electrons can be weakened or overcome by

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Q. The conduction of electricity in metallic bonding is due to presence of

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Q. The strength of metallic bonding also increases with the increase in

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Q. The electrons which are not associated with a single type of atom are termed as

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Q. The regular arrangement in which atoms are closely packed together is called a

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Q. Metallic bonding is very strong because of

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Q. Although mercury (Hg) is held by metallic bonding yet it is a

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Q. When high voltage will be passed through a metal, electricity will

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