Chemistry class-9 chapter-4 solved exercise pdf

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

2 / 89

The position of an atom in the periodic table indicates its__________

3 / 89

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

4 / 89

Metals have the tendency to lose electrons due to ________

5 / 89

The force of attractive between water molecules is__________

6 / 89

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

7 / 89

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

8 / 89

Which of the following is an electron deficient molecule?

9 / 89

Which type of bond is present between NH3 and BF3?

10 / 89

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

11 / 89

Which sign indicates partial positive and partial negative charge?

12 / 89

The compounds formed by oppositely charges are known as _________

13 / 89

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

14 / 89

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

15 / 89

Which of the following is the weakest bond amongst them?

16 / 89

At room temperature, higher molecular mass covalent compounds are ________

17 / 89

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

18 / 89

Identify which pair has polar covalent bonds________

19 / 89

Transfer of electrons between elements result in________

20 / 89

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

21 / 89

Ionic compounds have________

22 / 89

A covalent bond formed by two similar atoms is known as________

23 / 89

The difference between electronegativities of hydrogen and chlorine________

24 / 89

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

25 / 89

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

26 / 89

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

27 / 89

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

28 / 89

The nature of a chemical bond can be predicted by using__________

29 / 89

Dative covalent bond is also known as________

30 / 89

How many covalent bonds does C2H2 molecule have?

31 / 89

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

32 / 89

Intermolecular forces are collectively known as__________

33 / 89

During the formation of ionic bond, heat____________

34 / 89

Epoxy adhesives can be made________

35 / 89

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

36 / 89

Covalent bond is most commonly found between the elements of group_________

37 / 89

Hydrogen bonding is always found in____________

38 / 89

The density of ice at 0°C is __________

39 / 89

Which of the following is an example of covalent compound?

40 / 89

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

41 / 89

The boiling point of alcohol is ____________

42 / 89

Mode of reaction depends upon its_________

43 / 89

The melting point of NaCl is___________

44 / 89

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

45 / 89

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

46 / 89

Which of the following do not show ions in water?

47 / 89

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

48 / 89

Atom achieve stability by attaining electronic configuration of _________

49 / 89

The electronegative elements have_________

50 / 89

Which type of adhesives is less expensive to produce?

51 / 89

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

52 / 89

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

53 / 89

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

54 / 89

Identify the compound which is not soluble in water__________

55 / 89

The boiling point of NaCl is __________

56 / 89

Epoxy adhesives are also known as_________

57 / 89

Ice floats on water because____________

58 / 89

Noble gases are non-reactive because they do not__________

59 / 89

The electropositive elements have tendency to _________

60 / 89

The density of water at 0°C  is_________

61 / 89

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

62 / 89

A bond pair in covalent molecules usually has_________

63 / 89

The electro-negative value of fluorine is____________

64 / 89

Epoxy adhesives are________

65 / 89

Nitrogen molecule contain_________

66 / 89

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

67 / 89

A molecule is formed, when energy of a system___________

68 / 89

Which of the following is a building block of matter?

69 / 89

Hydrogen and helium follow ________

70 / 89

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

71 / 89

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

72 / 89

Non-polar compounds are insoluble in_________

73 / 89

The electronic configuration of sodium atom is ____________

74 / 89

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

75 / 89

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

76 / 89

Which type of attractive forces are present in ionic compounds?

77 / 89

Which molecule contains a single covalent bond?

78 / 89

Attaining two electrons in the valence shell is called__________

79 / 89

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

80 / 89

Atoms react with each other because_________

81 / 89

Triple covalent bond involves how many numbers of electrons?

82 / 89

Covalent bond involves the _______

83 / 89

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

84 / 89

All the noble gases have their valence electrons_________

85 / 89

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

86 / 89

The boiling point of water is ____________

87 / 89

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

88 / 89

Octet rule is __________

89 / 89

Metals usually have ______________

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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