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

2 / 89

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

3 / 89

Which type of adhesives is less expensive to produce?

4 / 89

Mode of reaction depends upon its_________

5 / 89

Which of the following is an electron deficient molecule?

6 / 89

Identify which pair has polar covalent bonds________

7 / 89

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

8 / 89

The boiling point of alcohol is ____________

9 / 89

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

10 / 89

Which of the following do not show ions in water?

11 / 89

The boiling point of water is ____________

12 / 89

A covalent bond formed by two similar atoms is known as________

13 / 89

Covalent bond involves the _______

14 / 89

The difference between electronegativities of hydrogen and chlorine________

15 / 89

At room temperature, higher molecular mass covalent compounds are ________

16 / 89

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

17 / 89

How many covalent bonds does C2H2 molecule have?

18 / 89

A bond pair in covalent molecules usually has_________

19 / 89

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

20 / 89

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

21 / 89

Ice floats on water because____________

22 / 89

All the noble gases have their valence electrons_________

23 / 89

Noble gases are non-reactive because they do not__________

24 / 89

A molecule is formed, when energy of a system___________

25 / 89

Non-polar compounds are insoluble in_________

26 / 89

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

27 / 89

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

28 / 89

Covalent bond is most commonly found between the elements of group_________

29 / 89

The electronic configuration of sodium atom is ____________

30 / 89

The compounds formed by oppositely charges are known as _________

31 / 89

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

32 / 89

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

33 / 89

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

34 / 89

Dative covalent bond is also known as________

35 / 89

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

36 / 89

Hydrogen and helium follow ________

37 / 89

Ionic compounds have________

38 / 89

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

39 / 89

Identify the compound which is not soluble in water__________

40 / 89

Which sign indicates partial positive and partial negative charge?

41 / 89

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

42 / 89

Atoms react with each other because_________

43 / 89

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

44 / 89

Which of the following is the weakest bond amongst them?

45 / 89

Epoxy adhesives can be made________

46 / 89

Atom achieve stability by attaining electronic configuration of _________

47 / 89

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

48 / 89

Which type of attractive forces are present in ionic compounds?

49 / 89

Intermolecular forces are collectively known as__________

50 / 89

The density of ice at 0°C is __________

51 / 89

The electronegative elements have_________

52 / 89

The electropositive elements have tendency to _________

53 / 89

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

54 / 89

Metals usually have ______________

55 / 89

Epoxy adhesives are also known as_________

56 / 89

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

57 / 89

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

58 / 89

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

59 / 89

Hydrogen bonding is always found in____________

60 / 89

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

61 / 89

Triple covalent bond involves how many numbers of electrons?

62 / 89

The electro-negative value of fluorine is____________

63 / 89

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

64 / 89

Transfer of electrons between elements result in________

65 / 89

The density of water at 0°C  is_________

66 / 89

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

67 / 89

Which type of bond is present between NH3 and BF3?

68 / 89

The nature of a chemical bond can be predicted by using__________

69 / 89

Attaining two electrons in the valence shell is called__________

70 / 89

The force of attractive between water molecules is__________

71 / 89

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

72 / 89

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

73 / 89

During the formation of ionic bond, heat____________

74 / 89

Which molecule contains a single covalent bond?

75 / 89

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

76 / 89

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

77 / 89

The melting point of NaCl is___________

78 / 89

Nitrogen molecule contain_________

79 / 89

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

80 / 89

Metals have the tendency to lose electrons due to ________

81 / 89

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

82 / 89

Which of the following is an example of covalent compound?

83 / 89

Epoxy adhesives are________

84 / 89

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

85 / 89

Octet rule is __________

86 / 89

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

87 / 89

The boiling point of NaCl is __________

88 / 89

The position of an atom in the periodic table indicates its__________

89 / 89

Which of the following is a building block of matter?

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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