June 2022
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Jun 1, 2022
a. Same in all directions b. Different in different directions c. Cannot be measured d. Always zero Ans.a Explanation :...
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Jun 1, 2022
a. Graphite (C) b. Quartz glass (SiO2) c. Chrome alum d. Silicon carbide (SiC) Ans. b Explanation : Quartz glass...
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Jun 1, 2022
a. Solid substance in real sense b. Liquid in real sense c. Supercooled liquid d. Substance with definite melting solid...
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Jun 1, 2022
a. Weakly bonded together b. Strongly bonded together c. Spherically symmetrical d. Arranged in planes Ans. d Explanation : Crystals...
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Jun 1, 2022
a. Fe3 O4 b. CrO 2 c. H2 O d. MnO Ans. d Explanation : MnO this aries when the dipole...
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Jun 1, 2022
a. Octahedral sulphur b. Monoclinic sulphur c. Plastic sulphur d. Colloidal sulphur Ans. a (24)
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Jun 1, 2022
a. They melt over a range of temperature b. They are anisotropic c. There is no orderly arrangement of particles...
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Jun 1, 2022
a. KCl b. Glass c. lce d. Diamond Ans.b Explanation : Amorphous or non- crystalline solids do not have sharp...
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Jun 1, 2022
a. Changes abruptly form solid to liquid when heated b. Has no definite melting point c. Undergoes deformation of its...
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Jun 1, 2022
a. All the domains get oriented in the direction of magnetic field b. All the domains get oriented in the...
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Jun 1, 2022
a. Pyro – electricity b. Piezo electricity c. Ferro- electricity d. Ferri- electricity Ans. a Explanation : It is the...
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Jun 1, 2022
a. Glass b. Rubber c. Plastic d. Sugar Ans. d Explanation : Sugar is a crystalline solid while glass, rubber...
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Jun 1, 2022
a. Si b. NaF c. Al d. Ar Ans. a Explanation : Silicon is a covalent crystal in which constituent...
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Jun 1, 2022
a. Silica b. Sodium silicate c. Silicon carbide d. Silicon Ans.a Explanation : Quartz is a covalent crystal having a...
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Jun 1, 2022
a. They prossess high melting point and boiling point b. All are electrolyte c. Exhibit the property of isomorphism d....
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Jun 1, 2022
a. The capacity of layers of metal ions to slide over the other b. The interaction of electrons with metal...
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Jun 1, 2022
a. MnO 2 b. TiO 2 c. VO 2 d. CrO 2 Ans. a Explanation : MnO 2 is antiferromagnetic (13)
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Jun 1, 2022
a. Paramagnetic substances are weakly attracted by magnetic field b. Ferromagnetic substances cannot be magnetised c. The domains in antiferromagnetic...
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Jun 1, 2022
a. Very low value of electrical conductivity in the molten state b. Brittle nature c. Very strong forces of interactions...
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Jun 1, 2022
a. A regular arrangement of constituent particles observed over a short distance in the crystal lattice b. A regular arrangement...
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Jun 1, 2022
a. High temperature b. Low temperature c. High thermal energy d. Weak cohesive forces Ans. b (11)
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Jun 1, 2022
a. Ionic crystal b. Covalent crystal c. Metallic crystal d. Molecular crystal Ans. d Explanation : Wax crystal are molecular...
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Jun 1, 2022
a. Atoms as their structural units b. Molecules as structural units c. Ions held together by electrostatic forces d. High...
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Jun 1, 2022
a. Electrical attraction forces b. Vander Waal’s forces c. Covalent bond forces d. Strong electrostatic attraction forces Ans. c Explanation...
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Jun 1, 2022
7. The compressibility of water is 4×10-5 per unit atmospheric pressure. The decrease in volume of 100 cubic centimeter of...
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Jun 1, 2022
a. Both the bands are overlapped with each other b. Very small c. Infinite d. Very large Ans. d Explanation...
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Jun 1, 2022
a. Pyroelectricity b. Ferroelectricity c. Peizoelectricity d. Ferrielectricity Ans. c Explanation : When polar crystal is subjected to a mechanical...
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Jun 1, 2022
a. Isomers b. Isotopes c. Allotropes d. Polymers Ans. c Explanation : Diamond and graphite are the crystalline allotropes of...
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Jun 1, 2022
a. Amorphism b. Isomophism c. Polymorphism d. Isomerism Ans. c Explanation : Polymorphism is an ability of a substance which...
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Jun 1, 2022
a. Dryer b. Buffering agent c. Antiseptic d. Softener Ans.c Explanation : Bithional is added to soap as an antiseptic...
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Jun 1, 2022
a. Long range order b. Short range order c. Disordered arrangement d. None of these Ans. a Explanation : Crystalline...
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Jun 1, 2022
a. In solid NaCl there are no ions b. Solid NaCl is covalent c. In solid NaCl there is no...
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Jun 1, 2022
a. Covalent solids b. Ionic solids c. Pseudo solids d. Molecular solids Ans. b Explanation : Ionic solids have highest...
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Jun 1, 2022
a. It both assertion and reason are true and the reason is the correct explanation of the assertion b. If...
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Jun 1, 2022
a. Anisotropic b. Isotropic c. Hard d. Dense Ans. b Explanation : Not isotropic actually refers to anisotropic here. ...
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Jun 1, 2022
a. BatiO 3 b. K 4 [Fe(CN) 6 ] c. PB 2 O 3 d. PbZrO 3 Ans. a Explanation : BaTio 3 is a ferroelectric compound....
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Jun 1, 2022
a. Metallic b. Molecular c. Network d. Ionic e. Amorphous Ans. d Explanation : Properties of ionic solid (8)
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Jun 1, 2022
a. It both assertion and reason are true and the reason is the correct explanation of the assertion b. If...
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Jun 1, 2022
a. It both assertion and reason are true and the reason is the correct explanation of the assertion b. If...