Q. Water clarifies importance of hydrogen bond via

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Q. Material when given tension straightens out and return on releasing tension, it is called as

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Q. Large extension of any material is

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Q. Arrangement of bonds and their strength determines the

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Q. Hydrogen bonds can be formed between -CO.NH- and can be found in

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Q. If material has strong tension, then molecules straightens out giving a

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Q. Light atoms can move with help of

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Q. Matter is made up of atoms joined together with bonds of

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Q. Two or three atoms held together with strong bonds are called as

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Q. Helium is a/an

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Q. Hydrogen bonds are formed between

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Q. In addition to covalent bonds and van der Waal forces, another class of bonds of medium strength is known and is equally important, it is called as

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Q. Other material/s which is/are sensitive at ordinary temperature like hydrogen is/are

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Q. In graphite, carbon atoms are joined together in

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Q. Sensitivity of material at ordinary temperatures affects

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Q. In diamond all atoms are combined with valency bonds and in a

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Q. Material can be gas even if molecules are composed of two or three atoms only when force between individual molecule is

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Q. In nylon, after drawing occluded structures become

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Q. Diffraction patterns showing sharp spots in a four-point diagram is a characteristic of

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Q. For polymers, melting down of crystals and reforming is not possible when crystals have

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