FSC Part 1 Chemistry Chapter 4 Liquids and Solids Online Test | ilmkidunya

Chemistry Fsc Part 1 Chapter 4 Online Test

Sr. #	Questions	Answers Choice
1	The nature of copper crystals is	Metallic Ionic Covalent Molecular
2	Molecular crystals are generally	Hard Relatively soft Unstable do not exist
3	In which system all the three axes are of equal length and all angles are at right angle.	Cubic Tetragonal Orthorhombic Hexagonal
4	In triclinic unit cell	All axial lengths are equal All internals lengths and angles are equal Both axial lengths and angles are equal Both axial lengths and angles are unequal
5	The shape of diamond crystal is.	cubic Hexagonal Tetragonal Orthorhombic
6	Existence of an element in more than one crystalline form is known as.	Anisotropy Allotropy Isomorphism Unit cell
7	Which substances has diffused melting point.	Crystalline solids Amorphous solids Metallic solids Covalent solids
8	Polymorphic substances have	Same physical and chemical properties Different physical and chemical properties. Same physical but different chemical properties Different physical and same chemical properties.
9	Which pair of compound are isomorphic in nature.	NaCl and KNO3 KNO3 and MgO MgO and NaF CaF and CaCO3
10	Isomorphic crystals show	Same chemical properties Same physical properties Same crystalline form Same melting point
11	Which is not use of liquid crystals.	Temperature sensor Liquid crystal display Skin thermography Energy supply in electrical devices.
12	Which has greater enthalpy of vaporization	F2 Cl2 Br2 I2
13	In which , case particles are separated from each other.	Fusion Condensation Neutralizations Vaporization
14	Which liquid has low boiling point with.	Less intermolecular force and higher V.P Greater intermolecular forces and low V.P Bigger size and greater polarizability High hydrogen bonding in it
15	On which factor boiling point of a liquid depends.	Amount of the liquid Shape of the container of the liquid Type of burner used for boiling External pressure
16	A pressure cooker reduces cooking time because.	Heat is uniformly distributed Boiling point of water rises A large flame is used Vapour pressure of liquid reduces
17	Boiling point of a liquid is high when	There is no hydrogen bonding Dipole moment is zero Inter molecular forces are weak Hydrogen bonding is present

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