Q. Carbonyl compounds are

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Q. Metalloids have electrical conductivity in

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Q. The elements of group II are

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Q. The electrical conductivity of metalloids can be raised by an increase in

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Q. Non-metal elements with diatomic molecules are from

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Q. The strength and high melting point of ceramics is due to their

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Q. The remaining amount of copper ores on earth is less than

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Q. Materials should be conserved because of

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Q. There is saving of 95% energy in recycling rather than extracting of material

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Q. Gases do not obey ideal gas equation at

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Q. The copper (Cu) which is used for electrical wiring should be pure up to

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Q. Finite resources like metals can be conserved by

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Q. Recycling helps us by

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Q. The highest melting point among these four elements is of

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Q. The lowest melting point among the four elements given below is of

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Q. The lowest melting point among these elements is of

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Q. The highest melting point in Group-II elements is of

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Q. The highest melting point among the four elements given below is of

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Q. After the Be, an element that has the highest melting point in Group-II is

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Q. In Group IV, the lowest melting point is of

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