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Chemistry Notes for Class-9 Chapter-4

Structure of Molecule 

If you are looking for Chemistry Notes for Class 9 Chapter-4, then you are on right place, and have found the your required result. on this post you can find the all type Solution for chemistry class 9 problems. so read this post and take benefits for your studies and share with your Friends. Chemistry Notes for Class-9 Chapter-4.

Here are important MCQs for Chemistry Notes for Class 9, chapter 4

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Chemistry Ch#04, 9th Class

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1 / 89

Epoxy adhesives are also known as_________

2 / 89

If the difference of electronegativities between two elements is less than 1.7, the bond will be______

3 / 89

The electronegative elements have_________

4 / 89

In metals, the hold of nucleus over the valence shell electrons is weak due to _______

5 / 89

Considering the electronic configuration of atoms which atom with the given atomic number will be the most stable one?

6 / 89

How many lone pairs are present on nitrogen in ammonia molecule?

7 / 89

Every atom has a natural tendency to achieve electrons in its valence shell________

8 / 89

A bond formed by the mutual sharing of an electron pair is called________

9 / 89

A bond formed due to complete transfer of electrons from one atom to another is called_____

10 / 89

The boiling point of NaCl is __________

11 / 89

Which of the following is a building block of matter?

12 / 89

Epoxy adhesives can be made________

13 / 89

A bond formed between two non-metals is expected to be_________

14 / 89

Water has high boiling points as compared to alcohol due to _______

15 / 89

The electronic configuration of sodium atom is ____________

16 / 89

The melting point of NaCl is___________

17 / 89

The density of ice at 0°C is __________

18 / 89

The difference between electronegativities of hydrogen and chlorine________

19 / 89

A molecule is formed, when energy of a system___________

20 / 89

The electro-negativity value of atoms is given by which scale?

21 / 89

How many valency shell electrons are there in Na+ ion?

22 / 89

Octet rule is __________

23 / 89

The valence electrons, which are involved in chemical bonding, are termed as_________

24 / 89

The electropositive elements have tendency to _________

25 / 89

Which type of bond is present between NH3 and BF3?

26 / 89

Nitrogen molecule contain_________

27 / 89

Covalent bond is most commonly found between the elements of group_________

28 / 89

Hydrogen bonding is always found in____________

29 / 89

Which pair of the molecules has same type of covalent bonds?

30 / 89

The forces responsible for binding the atoms together in a molecule are called_______

31 / 89

Noble gases are non-reactive because they do not__________

32 / 89

Which of the following is an example of polar covalent compound?

33 / 89

The electrons that pair up to form a chemical bond are called__________

34 / 89

Metals have the tendency to lose electrons due to ________

35 / 89

Which group of the periodic table have the tendency to gain electrons _______

36 / 89

Which of the following is the weakest bond amongst them?

37 / 89

Dative covalent bond is also known as________

38 / 89

Which type of attractive forces are present in ionic compounds?

39 / 89

Atoms react with each other because_________

40 / 89

Which of the following is an electron deficient molecule?

41 / 89

The position of an atom in the periodic table indicates its__________

42 / 89

Which of the following do not show ions in water?

43 / 89

Intermolecular forces are collectively known as__________

44 / 89

How many covalent bonds does C2H2 molecule have?

45 / 89

The formation of ionic bond between two ions is due to ________

46 / 89

A covalent bond formed by two similar atoms is known as________

47 / 89

Ice floats on water because____________

48 / 89

Which type of adhesives is less expensive to produce?

49 / 89

Triple covalent bond involves how many numbers of electrons?

50 / 89

At room temperature, higher molecular mass covalent compounds are ________

51 / 89

Attaining two electrons in the valence shell is called__________

52 / 89

How many electrons are there in the valence shell of sodium atom?

53 / 89

Malleability is the property by virtue of which a metal can be drawn into________

54 / 89

Metals usually have ______________

55 / 89

The density of water at 0°C  is_________

56 / 89

Transfer of electrons between elements result in________

57 / 89

Identify which pair has polar covalent bonds________

58 / 89

The compounds formed by oppositely charges are known as _________

59 / 89

Non-polar compounds are insoluble in_________

60 / 89

The boiling point of water is ____________

61 / 89

When an electro-negative element combines with electro-positive element the type of bonding is_______

62 / 89

How many valence shell electrons are there in group-01 elements?

63 / 89

Atom achieve stability by attaining electronic configuration of _________

64 / 89

The formation of a chemical bond is a result of dominant net______

65 / 89

The mobile electrons are responsible for holding the atoms of metals together, forming a ____

66 / 89

An atom having six electrons in its valence shell will achieve noble gas electronic configuration by_____________

67 / 89

Ionic compounds have________

68 / 89

Metals are good conductors of heat and electricity in solid and liquid state due to________

69 / 89

During the formation of ionic bond, heat____________

70 / 89

Which of the following is the weakest force among the atoms?

71 / 89

Which molecule contains a single covalent bond?

72 / 89

All the noble gases have their valence electrons_________

73 / 89

The force of attractive between water molecules is__________

74 / 89

Identify the compound which is not soluble in water__________

75 / 89

The nature of a chemical bond can be predicted by using__________

76 / 89

Which of the following is an example of covalent compound?

77 / 89

Mode of reaction depends upon its_________

78 / 89

Which sign indicates partial positive and partial negative charge?

79 / 89

Epoxy adhesives are________

80 / 89

A covalent bond formed by the mutual sharing of two pairs of electrons between bonded atom is called__________

81 / 89

The boiling point of alcohol is ____________

82 / 89

If the difference of electro-negativities between two elements is more than 1.7, the bond will be__________

83 / 89

Hydrogen and helium follow ________

84 / 89

How many electrons are involved in the formation single covalent bond?

85 / 89

A bond pair in covalent molecules usually has_________

86 / 89

Covalent bond involves the _______

87 / 89

The energy required to break the intermolecular forces between one mole of liquid hydrogen chloride molecule to convert it into gas is___________

88 / 89

The electro-negative value of fluorine is____________

89 / 89

Which force becomes operative, when two atoms come closer to each other?

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Chemistry Notes, Problems for Class 9th

Chemistry, a new subject for 9th Class, having a lot of concepts all starting from a single definition of the smallest particle of our universe which is called ‘atom’. In the 8th grade usually, we have to study only one book of science that combines chemistry, physics, and biology. But as, we got into 9th class and with every passing day things starts to get more complex now. similarly we got three books instead of just one science book. Chemistry Notes for Class-9 Chapter-4.

And, if you any student of 9th Class feeling difficult to understand the concept of chemistry. Then, these chemistry notes for class 9 are enough. by Understanding chemistry Notes for 9th class means remembering a lot of concepts. Consider that particular subject important in which you want to study for your whole life. And, read more than just the textbook about that particular subject. If you think you want to study chemistry for your whole life that’s great, we need chemists. Chemistry Notes for Class-9 Chapter-4.

Chemistry class 9 pdf / Chemistry Notes for Class-9 Chapter-4

If any student searching to topics like Chemistry Notes for 9th class,  Chemistry Notes for Class 9 pdf, Chemistry Notes for Class 9 MCQs, Chemistry Notes for Class-9 Chapter-4, Chemistry Notes for class 9 Gujranwala board, Chemistry Notes for class 9 Lahore board, Class 9 Chemistry notes chapter 4, Chemistry class 9 chapter 4 pdf, Chemistry class 9 chapter-4 short questions, kips notes of chemistry for 9 class, 9th class chemistry solved exercises chapter 4, chemistry class 9 chapter 4 structure of atom, 9th class chemistry notes in English pdf download, 9th class chemistry solved exercises chapter 4 pdf, 9th class chemistry solved exercises chapter 4, Chemistry Notes for Class-9 Chapter-4,   9th class chemistry notes in Urdu pdf download, Chemistry class 9 chapter-4 solved exercise pdf, Chemistry Notes for Class 9 Chapter-4, 9th class chemistry notes in Urdu pdf download, Chemistry class 9 pdf, chemistry 9th class chapter 4 solved exercise, then all the solution if your problem is available within our website eStudent.pk

 

 

Chapter wise PDF Notes / Problems / Solution of Chemistry 9th Class

                     Chapter-01 – Fundamentals of Chemistry

                     Chapter-02 – Structure of Atoms 

                     Chapter-03 – Periodic Table and Periodicity of Properties

                     Chapter-04 – Structure of Molecules 

                     Chapter-05 – Physical States of Matter 

                     Chapter-06 – Solutions 

                     Chapter-07 – Electrochemistry 

                     Chapter-08 – Chemical Reactivity 

                     Pairing Scheme for 2021 – Chemistry 9th Class

 

 

 

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  1. uchino shit suji says:

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