About GENERAL-SCIENCE
Following are some of the multiple choice questions on the The-Solid-State with answers that will help the students in developing their knowledge.
(1)Which of the following is not true about the ionic solids?
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(2)Solid A is very hard electrical insulator in solid as well as in molten state and melts at an extremely high temperature. What type of solid is it?
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(3)Which of the following is a network solid?
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(4)Graphite cannot be classified as __________.
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(5)Which of the following statements is not true about amorphous solids?
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(6)Which of the following is an amorphous solid?
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(7)The sharp melting point of crystalline solids is due to ___________.
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(8)Which of the following conditions favours the existence of a substance in the solid state?
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(9)A compound is formed by two elements M and N. The element N forms ccp lattice and atoms of M occupy two atoms an Mercury 1/3rd of tetrahedral voids. What is the formula of the compound?
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(10)Silver crystallises in f.c.c. Lattice. It edge length of the unit cells is 4.07 × 10–8 cm density and ism 10.5g cm–3 . Calculate the atomic mass of silver.
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(11)The correct order of the packing efficiency in different types of unit cells is ________.
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(12)The total number of tetrahedral voids in the face centred unit cell is _____.
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(13)The lattice site in a pure crystal cannot be occupied by __________.
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(14)Which of the following statements is not true about the hexagonal close packing?
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(15)What is the coordination number in a square close packed structure in two dimensions?
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(16)Which stoichiometric defect does not change the density of the crystal?
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(17)Which of the following Defects is also known as dislocation defect?
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(18)Interstitial compounds are formed when small atoms are dropped under the curved lattice of metals. Whether the following is not the characteristics property of interstitial compounds?
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(19)Which of the following is true about the value of refractive index of quartz glass?