Chemistry Notes for Class 9 Chapter-4

Chemistry Notes for Class-9 Chapter-4

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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

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

2 / 89

Dative covalent bond is also known as________

3 / 89

Attaining two electrons in the valence shell is called__________

4 / 89

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

5 / 89

Which of the following is an electron deficient molecule?

6 / 89

The density of ice at 0°C is __________

7 / 89

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

8 / 89

Covalent bond is most commonly found between the elements of group_________

9 / 89

The difference between electronegativities of hydrogen and chlorine________

10 / 89

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

11 / 89

Octet rule is __________

12 / 89

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

13 / 89

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

14 / 89

Atom achieve stability by attaining electronic configuration of _________

15 / 89

A molecule is formed, when energy of a system___________

16 / 89

Metals usually have ______________

17 / 89

A covalent bond formed by two similar atoms is known as________

18 / 89

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

19 / 89

The boiling point of alcohol is ____________

20 / 89

The compounds formed by oppositely charges are known as _________

21 / 89

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

22 / 89

Noble gases are non-reactive because they do not__________

23 / 89

Intermolecular forces are collectively known as__________

24 / 89

Identify the compound which is not soluble in water__________

25 / 89

The melting point of NaCl is___________

26 / 89

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

27 / 89

The electronegative elements have_________

28 / 89

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

29 / 89

Epoxy adhesives can be made________

30 / 89

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

31 / 89

All the noble gases have their valence electrons_________

32 / 89

Ionic compounds have________

33 / 89

Which of the following is a building block of matter?

34 / 89

The density of water at 0°C  is_________

35 / 89

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

36 / 89

The nature of a chemical bond can be predicted by using__________

37 / 89

Which type of attractive forces are present in ionic compounds?

38 / 89

The position of an atom in the periodic table indicates its__________

39 / 89

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

40 / 89

The force of attractive between water molecules is__________

41 / 89

Hydrogen and helium follow ________

42 / 89

Which of the following is the weakest bond amongst them?

43 / 89

The electropositive elements have tendency to _________

44 / 89

A bond pair in covalent molecules usually has_________

45 / 89

Which molecule contains a single covalent bond?

46 / 89

At room temperature, higher molecular mass covalent compounds are ________

47 / 89

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

48 / 89

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

49 / 89

How many covalent bonds does C2H2 molecule have?

50 / 89

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

51 / 89

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

52 / 89

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

53 / 89

Non-polar compounds are insoluble in_________

54 / 89

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

55 / 89

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

56 / 89

During the formation of ionic bond, heat____________

57 / 89

Which sign indicates partial positive and partial negative charge?

58 / 89

The electro-negative value of fluorine is____________

59 / 89

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

60 / 89

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

61 / 89

Which type of bond is present between NH3 and BF3?

62 / 89

Ice floats on water because____________

63 / 89

The boiling point of water is ____________

64 / 89

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

65 / 89

Epoxy adhesives are also known as_________

66 / 89

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

67 / 89

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

68 / 89

Epoxy adhesives are________

69 / 89

Which type of adhesives is less expensive to produce?

70 / 89

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

71 / 89

Identify which pair has polar covalent bonds________

72 / 89

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

73 / 89

Atoms react with each other because_________

74 / 89

Triple covalent bond involves how many numbers of electrons?

75 / 89

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

76 / 89

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

77 / 89

Transfer of electrons between elements result in________

78 / 89

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

79 / 89

The boiling point of NaCl is __________

80 / 89

The electronic configuration of sodium atom is ____________

81 / 89

Mode of reaction depends upon its_________

82 / 89

Metals have the tendency to lose electrons due to ________

83 / 89

Which of the following is an example of covalent compound?

84 / 89

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

85 / 89

Nitrogen molecule contain_________

86 / 89

Which of the following do not show ions in water?

87 / 89

Covalent bond involves the _______

88 / 89

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

89 / 89

Hydrogen bonding is always found in____________

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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.

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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