9th Grade Chemistry Chapter 5 Chemical Bonding Sindh Board MCQs Notes Online Chapter Wise Question Answers. Sindh Boards Chemistry Subject Notes For Exams Preparations Karachi, Jamshoro, Sindh Boards. Chemistry class Ninth sindh board notes Unit 5 Chemical Bonding Most Repeated Multiple Choice Questions With Answers. Chemistry notes for class IX sindh board karachi Boards.
Q.1: The force which hold atoms together in molecule to another atom is called:?
- Covalent bond
- Co-ordinate covalent bond
- Chemical bond
- Ionic bond
C
Q.2: The bond which is formed by the transfer of one or more electrons from one atom or crystal is called:?
- Covalent bond
- Co-ordinate covalent bond
- Chemical bond
- Ionic bond
D
Q.3: The bond which is formed by the mutual sharing of electrons between the atoms called:?
- Covalent bond
- Chemical bond
- Co-ordinate covalent bond
- Ionic bond
A
Q.4: The bond which is formed by one sided sharing of pair of electrons is called:?
- Co-ordinate covalent bond
- Covalent bond
- Chemical bond
- Ionic bond
A
Q.5: The bond in MgO is:?
- Electro-valent bond
- Chemical bond
- Covalent bond
- Co-ordinate covalent bond
A
Q.6: The shared pair of electrons which links the atoms in a molecule is known as:?
- Chemical bond
- Covalent bond
- Electro-valent bond
- Co-ordinate covalent bond
B
Q.7: Double covalent bond is denoted by:?
- Three short line
- Single short line
- Two short line
- None of these
C
Q.8: The atom which supplies the pair of electrons for bond formation is known as:?
- Receiver
- Acceptor
- Donor
- None of these
C
Q.9: Co-ordinate covalent bond is always formed between the two:?
- Like and unlike atoms
- Unlike atoms
- Similar atom
- Like atoms
B
Q.10: The shared pair of electrons in a co-ordinate covalent bond is denoted by:?
- Double line
- An equal sign
- An arrow
- A single line
C
Q.11: Electronegative value of N is?
- 2.1
- 3.0
- 3.5
- 2.5
B
Q.12: CHBr has a?
- hydrogen bond
- Ionic band
- Non polar covalent bond
- Polar covalent bond
D
Q.13: The attraction that binds Na and CI ions together is called?
- Metallic bond
- Covalent bond
- Electrovalent bond
- Polar covalent bond
C
Q.14: In molten state ionic compounds are?
- bad conductors
- good conductors
- insulators
- non conduct
B
Q.15: Covalent compounds are soluble in?
- H2 SO4
- water
- organic solvents
- NaOH solution
C
Q.16: Energies of London forces are in the range of:?
- 1.10kg \ml.
- 5.20 kg/ml.
- 4.08kg/ml.
- 14kg /ml.
A
Q.17: Which bond is important in proteins and nucleic acids.?
- Ionic bond
- Hydrogen bond
- Covalent bond
- Metallic bond
B
Q.18: 4 is the electronegative value of?
- Chlorine
- Hydrogen
- Fluorine
- Nitrogen
B
Q.19: Mg atom has?
- 8 valence electrons
- 1 valence electron
- 2 valence electrons
- 6 valence electrons
C
Q.20: Ionic compounds are soluble in?
- water
- None of them
- CCl4
- benzene
A
Q.21: In coordinate covalent bonds, the shared pair of electron is provided by:?
- One atom
- Four atom
- Two atom
- Three atom
A
Q.22: The atom which donates shared electron pair is called?
- Giver
- Recipient
- Donor
- Acceptor
D
Q.23: The bond which is formed by the mutual sharing of electrons between atoms, is called:?
- Chemical bond
- co-ordinate covalent bond
- Ionic bond
- Covalent bond
D
Q.24: The bond which is formed by the mutual sharing of electrons between atoms, is called:?
- Chemical bond
- co-ordinate covalent bond
- Ionic bond
- Covalent bond
D
Q.25: Double covalent bond is denoted by:?
- three short lines
- Single short line
- Tow short lines
- none of these
C
Q.1: The shared pair of electrons in a coordinate covalent bond is denoted by:?
- Double line
- An equal sign
- A single line
- An arrow
D