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Mdcat-past-papers Quiz

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481. In crystalline structure, when length of all axes and angels are unequal then crystal will be:



482. When an element occurs in different physical forms it is called:



483. The example of metallic solid is:



484. When a crystalline substance conducts current in one direction but not through other directions of the crystal, this property is called:



485. Which of the following is not a molecular solids:



486. Polymorphs have different:



487. Solids which are more volatile:



488. Greatest lattice energy is for:



489. Carbon in diamond is:



490. Coordination number of each ion in NaCl is:



491. Diamond is:



492. Nature of diamond as solid is:



493. Which one of the following is as light as feather and as strong as iron?



494. A small building block which belongs to whole information about crystal structure is called:



495. Which type of solid is called as atomic solid?



496. The two crystals NaNO₃ & CaCO₃ are both trigonal, they are:



497. Cation and anion formed which combines to form crystal lattices:



498. The molecules of iodine (I₂) form the:



499. The type of bonding in Zinc is:



500. Which one of the following is semiconductor?