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

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

2 / 89

Metals have the tendency to lose electrons due to ________

3 / 89

The electronic configuration of sodium atom is ____________

4 / 89

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

5 / 89

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

6 / 89

The density of water at 0°C  is_________

7 / 89

The electropositive elements have tendency to _________

8 / 89

Atom achieve stability by attaining electronic configuration of _________

9 / 89

The difference between electronegativities of hydrogen and chlorine________

10 / 89

Octet rule is __________

11 / 89

Epoxy adhesives are also known as_________

12 / 89

Ionic compounds have________

13 / 89

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

14 / 89

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

15 / 89

The force of attractive between water molecules is__________

16 / 89

Epoxy adhesives are________

17 / 89

Metals usually have ______________

18 / 89

A covalent bond formed by two similar atoms is known as________

19 / 89

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

20 / 89

Atoms react with each other because_________

21 / 89

Identify which pair has polar covalent bonds________

22 / 89

The boiling point of water is ____________

23 / 89

Intermolecular forces are collectively known as__________

24 / 89

Epoxy adhesives can be made________

25 / 89

Noble gases are non-reactive because they do not__________

26 / 89

Which type of bond is present between NH3 and BF3?

27 / 89

Which of the following is a building block of matter?

28 / 89

The melting point of NaCl is___________

29 / 89

Hydrogen and helium follow ________

30 / 89

Attaining two electrons in the valence shell is called__________

31 / 89

Triple covalent bond involves how many numbers of electrons?

32 / 89

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

33 / 89

All the noble gases have their valence electrons_________

34 / 89

The compounds formed by oppositely charges are known as _________

35 / 89

Which of the following do not show ions in water?

36 / 89

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

37 / 89

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

38 / 89

Covalent bond is most commonly found between the elements of group_________

39 / 89

The nature of a chemical bond can be predicted by using__________

40 / 89

Which type of adhesives is less expensive to produce?

41 / 89

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

42 / 89

Dative covalent bond is also known as________

43 / 89

Which of the following is an example of covalent compound?

44 / 89

Which of the following is the weakest bond amongst them?

45 / 89

Which type of attractive forces are present in ionic compounds?

46 / 89

At room temperature, higher molecular mass covalent compounds are ________

47 / 89

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

48 / 89

The electro-negative value of fluorine is____________

49 / 89

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

50 / 89

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

51 / 89

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

52 / 89

A bond pair in covalent molecules usually has_________

53 / 89

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

54 / 89

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

55 / 89

A molecule is formed, when energy of a system___________

56 / 89

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

57 / 89

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

58 / 89

How many covalent bonds does C2H2 molecule have?

59 / 89

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

60 / 89

Non-polar compounds are insoluble in_________

61 / 89

Mode of reaction depends upon its_________

62 / 89

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

63 / 89

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

64 / 89

Ice floats on water because____________

65 / 89

The position of an atom in the periodic table indicates its__________

66 / 89

The boiling point of NaCl is __________

67 / 89

The boiling point of alcohol is ____________

68 / 89

During the formation of ionic bond, heat____________

69 / 89

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

70 / 89

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

71 / 89

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

72 / 89

Which molecule contains a single covalent bond?

73 / 89

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

74 / 89

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

75 / 89

The electronegative elements have_________

76 / 89

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

77 / 89

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

78 / 89

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

79 / 89

The density of ice at 0°C is __________

80 / 89

Identify the compound which is not soluble in water__________

81 / 89

Hydrogen bonding is always found in____________

82 / 89

Transfer of electrons between elements result in________

83 / 89

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

84 / 89

Which of the following is an electron deficient molecule?

85 / 89

Which sign indicates partial positive and partial negative charge?

86 / 89

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

87 / 89

Nitrogen molecule contain_________

88 / 89

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

89 / 89

Covalent bond involves the _______

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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