9th Chemistry Unit 5 Chemical Bonding MCQs Sindh Board

 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:?

1. Covalent bond
2. Co-ordinate covalent bond
3. Chemical bond
4. 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:?

1. Covalent bond
2. Co-ordinate covalent bond
3. Chemical bond
4. Ionic bond

D

Q.3: The bond which is formed by the mutual sharing of electrons between the atoms called:?

1. Covalent bond
2. Chemical bond
3. Co-ordinate covalent bond
4. Ionic bond

A

Q.4: The bond which is formed by one sided sharing of pair of electrons is called:?

1. Co-ordinate covalent bond
2. Covalent bond
3. Chemical bond
4. Ionic bond

A

Q.5: The bond in MgO is:?

1. Electro-valent bond
2. Chemical bond
3. Covalent bond
4. Co-ordinate covalent bond

A

Q.6: The shared pair of electrons which links the atoms in a molecule is known as:?

1. Chemical bond
2. Covalent bond
3. Electro-valent bond
4. Co-ordinate covalent bond

B

Q.7: Double covalent bond is denoted by:?

1. Three short line
2. Single short line
3. Two short line
4. None of these

C

Q.8: The atom which supplies the pair of electrons for bond formation is known as:?

1. Receiver
2. Acceptor
3. Donor
4. None of these

C

Q.9: Co-ordinate covalent bond is always formed between the two:?

1. Like and unlike atoms
2. Unlike atoms
3. Similar atom
4. Like atoms

B

Q.10: The shared pair of electrons in a co-ordinate covalent bond is denoted by:?

1. Double line
2. An equal sign
3. An arrow
4. A single line

C

Q.11: Electronegative value of N is?

1. 2.1
2. 3.0
3. 3.5
4. 2.5

B

Q.12: CHBr has a?

1. hydrogen bond
2. Ionic band
3. Non polar covalent bond
4. Polar covalent bond

D

Q.13: The attraction that binds Na and CI ions together is called?

1. Metallic bond
2. Covalent bond
3. Electrovalent bond
4. Polar covalent bond

C

Q.14: In molten state ionic compounds are?

1. bad conductors
2. good conductors
3. insulators
4. non conduct

B

Q.15: Covalent compounds are soluble in?

1. H₂ SO₄
2. water
3. organic solvents
4. NaOH solution

C

Q.16: Energies of London forces are in the range of:?

1. 1.10kg \ml.
2. 5.20 kg/ml.
3. 4.08kg/ml.
4. 14kg /ml.

A

Q.17: Which bond is important in proteins and nucleic acids.?

1. Ionic bond
2. Hydrogen bond
3. Covalent bond
4. Metallic bond

B

Q.18: 4 is the electronegative value of?

1. Chlorine
2. Hydrogen
3. Fluorine
4. Nitrogen

B

Q.19: Mg atom has?

1. 8 valence electrons
2. 1 valence electron
3. 2 valence electrons
4. 6 valence electrons

C

Q.20: Ionic compounds are soluble in?

1. water
2. None of them
3. CCl₄
4. benzene

A

Q.21: In coordinate covalent bonds, the shared pair of electron is provided by:?

1. One atom
2. Four atom
3. Two atom
4. Three atom

A

Q.22: The atom which donates shared electron pair is called?

1. Giver
2. Recipient
3. Donor
4. Acceptor

D

Q.23: The bond which is formed by the mutual sharing of electrons between atoms, is called:?

1. Chemical bond
2. co-ordinate covalent bond
3. Ionic bond
4. Covalent bond

D

Q.24: The bond which is formed by the mutual sharing of electrons between atoms, is called:?

1. Chemical bond
2. co-ordinate covalent bond
3. Ionic bond
4. Covalent bond

D

Q.25: Double covalent bond is denoted by:?

1. three short lines
2. Single short line
3. Tow short lines
4. none of these

C

Q.1: The shared pair of electrons in a coordinate covalent bond is denoted by:?

1. Double line
2. An equal sign
3. A single line
4. An arrow

D