Chemistry Notes for Class-10 Chapter-12

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Here are important MCQs for Chemistry Notes for Class 10, Chapter 12

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Chemistry Ch#12, 10th Class

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1 / 96

Alkenes are produced in large amounts by cracking of_________

2 / 96

Which is the characteristics property of alkanes?

3 / 96

Amorphous forms of carbons are______

4 / 96

Alkanes are also called ________

5 / 96

One of the hydrocarbons reacts with one mole of hydrogen to form a saturated hydrocarbon. What formula could be of the X.

  • C3H8
  • C6H12
  • C4H10
  • C7H16

Which Option is Correct?

6 / 96

Alkanes having carbon range in liquid like ______

  • C4 to C6
  • C7 to C10
  • C8 to C10
  • Both C4 to C6 & C7 to C10

Select Correct Option

7 / 96

Which one of these is a saturated hydrocarbon?

  • C2H4
  • C3H6
  • C4H8
  • C5H12

Which Option is Correct?

8 / 96

Which of the following gas is used in warfare?

9 / 96

In dry cleaning, which chemical is used?

10 / 96

The formula of oxalic acid is___________

  • (COOH)2
  • HCOOH
  • CH3COOH
  • COOH

Select Correct Option

11 / 96

Traces of acetylene are present in coal gas about_________

12 / 96

Which of the following property is not present in hydrocarbons?

13 / 96

Alkanes give reaction only _____

14 / 96

paraffins means________

15 / 96

Which one of the following is more reactive?

16 / 96

Benzene is formed by the polymerization of_______________

17 / 96

What is the most necessary condition for the reaction of CH4 with halogen?

18 / 96

The alkanes consisting of C5 to C10 are__________

19 / 96

Which of the following is not a function of chloroform?

20 / 96

Which gas creates suffocation and causes death?

  • CO
  • CO2
  • SO3
  • SO2

Which Option is Correct ?

21 / 96

In shoe polishes, which chemical is used?

22 / 96

Incomplete combustion of alkanes produces __________

23 / 96

Detergents are the sodium salts of__________

24 / 96

Some orchids attract bees for pollination by producing_________

25 / 96

Alkanes are least reactive compounds because they are____________

26 / 96

Which of the following is a synthetic fiber?

27 / 96

Di-methy acetylene is also called___________

28 / 96

Chloroform is used for__________

29 / 96

Alkenes are prepared from alcohols by a process called_________

30 / 96

The end product of oxidation of acetylene is_______

31 / 96

Glyoxal is oxidize into_________

32 / 96

Substitution reaction is the characteristics of__________

33 / 96

Which of the following does not occur free in nature?

34 / 96

Ethylene oxide is used as _________

35 / 96

Carbon has valency_______

36 / 96

Which is the simplest alkane?

  • CH4
  • C3H8
  • C2H2
  • C2H4

Which Option is Correct ?

37 / 96

Which of the following is not alcohol?

  • C2H5OH
  • C3H7OH
  • CH3OH
  • Ca(OH)2

Select Correct Option

38 / 96

Those Hydrocarbons having high molecular mass are___________

39 / 96

Number of bonds in propene is ______________

40 / 96

Due to which property alkane are used as fuel___________

41 / 96

Oxidation of ethene with KMnO4 produces______

42 / 96

The density of alkane increases with the increase of _________

43 / 96

The example of rubbers is ________

44 / 96

Dehydrohalogenation of alkyl halides take place in the presence of __________

45 / 96

Ethylene is present in natural gas sometimes to the extent of________

46 / 96

A solution of bromine in water having colour________

47 / 96

Which one is the formula of chloromethane?

  • CH2Cl2
  • CCl4
  • CHCl3
  • CH3Cl

Which Option is Correct ?

48 / 96

Dehydration means removal of__________

49 / 96

Traces of acetylene are present in coal gas about ___________

50 / 96

Which of the following is not an example of open chain hydrocarbon?

  • CH4
  • C3H8
  • C2H6
  • C6H6

Select Correct Option

51 / 96

Dehydration of alcohols can be carried out with______

  • NaOH
  • KOH
  • H2SO4
  • HCl

Which Option is Correct ?

52 / 96

Dehydrohalogenation takes place in the presence of_____________

53 / 96

Halogenation of methane produces following valuable chemical compounds used as solvents except_______

54 / 96

Number of bonds present in methane________

55 / 96

Molecular formula of butyne is_____________

  • C4H6
  • C3H4
  • C4H7
  • C4H8

Which Option is Correct ?

56 / 96

The order of reactivity of hydrogen halides with alkenes is__________

57 / 96

A hydrocarbon has molecular formula C8H14. What is the molecular formula of the next member of the same homologous series.

  • C9H18
  • C9H16
  • C9H20
  • C9H12

Which Option is Correct?

58 / 96

Carbon tetra chloride is used in_______

59 / 96

Alcohol is soluble in water due to ________

60 / 96

Banaspati Ghee is also called______

61 / 96

Which one of these hydrocarbon molecules would have no effect on an aqueous solution of bromine?

  • CH4
  • C10H20
  • C2H4
  • C2H2

(Which Option is Correct)

62 / 96

Alkanes do not react in__________

63 / 96

Chemical formula of chloroform is________

  • CH2Cl2
  • CH3Cl
  • CHCl3
  • CCl4

Which Option is Correct ?

64 / 96

Which of the following is not a hydrocarbon?

  • Methane (CH4)
  • Ethane(C2H6)
  • Water (H2O)
  • Ethyne (C2H2)

Which Option is Correct ?

65 / 96

Which one of the following is a substitution reaction?

66 / 96

Alkenes is also called ______

67 / 96

Incomplete combustion of alkanes produces________

68 / 96

Halogenation of alkanes in the presence of diffused sunlight takes place ________

69 / 96

Alkenes are insoluble in___________

70 / 96

Which one of the following is a substitution reaction?

71 / 96

Alkyne forms____________

72 / 96

Methane is also called ______

73 / 96

Condensed formula of ethane is________

  • C3H8
  • C2H6
  • H3CCH3
  • None of These

Which Option is Correct ?

74 / 96

Due to increase in molar mass which property increases?

75 / 96

Which is used as Anti-freezer?

76 / 96

Addition of hydrogen is called _________

77 / 96

Dehalogenation of tetrahalides produces acetylene. This reaction takes place in the presence of___

78 / 96

The compound having at least one benzene ring are called________

79 / 96

Ethene reacts with H2SO4 at temperature of_________

80 / 96

Which of the following has higher energy?

81 / 96

The reduction of alkyl halides takes place in the presence of___________

82 / 96

Methane forms natural gas about___________

83 / 96

Carbon black is used in the manufacture of_______

84 / 96

If an organic compound has 4 carbon atoms, all singly bonded, it will have the following characteristics except one_________

85 / 96

Hydrogenation of alkenes and alkynes takes place at room temperature in the presence of_____

86 / 96

The molecular formulae of the first three members of the alkane hydrocarbons are CH4, C2H6 and C3H8. What is the molecular formula for the eighth alkane member, octane, which is found in petrol?

  • C8H8
  • C8H16
  • C8H18
  • C8H20

Which Option is Correct ?

87 / 96

Which of the following is not an organic solvent?

  • C2H5OH
  • CHCl3
  • CCl4
  • H2O

Select Correct Option

88 / 96

Which compound is used for welding process?

89 / 96

The general formula of alkynes is_________

  • CnH2n
  • CnH2n+2
  • CnH2n-2
  • CnH2n+1

Which Option is Correct ?

90 / 96

Which is present 85% in natural gas?

91 / 96

Formula of nascent hydrogen is_______

92 / 96

Alkynes being more reactive than __________

93 / 96

The formula of methane _______

  • CH3
  • CH4
  • CH2
  • C2H5

Select Correct Option

94 / 96

Oxidation of alkenes produce______

95 / 96

Banana when ripped produces gas________

96 / 96

The Hydrocarbons having double bond are called _________

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Fatima Shahid22:36:13 Jan 10, 202556%
M.Binyameen Niazi12:44:08 Dec 25, 202429%
Ruhma01:55:07 Dec 21, 202471%
Seerat19:00:45 Sep 15, 202425%
abdullah00:47:10 Apr 01, 202466%
MUHAMMAD10:41:22 Feb 07, 202469%
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RH>>11:39:04 Jan 31, 202468%
RH11:07:29 Jan 31, 202457%
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Abdullah05:17:21 Oct 03, 202253%
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JamjJz13:50:58 Sep 26, 202259%
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Chemistry Notes, Solved Problems for Class 10th

Chemistry, a new subject for 10th Class, having a lot of concepts, starting from a single definition of the smallest particle of our universe which is called ‘atom’. In the 8th grade usually, we have studied only one book of science that combines chemistry, physics, and biology. But as, now we got into 9th & 10th class and with every passing day things starts to get more complex now. similarly we got three books instead of just one science book.

And, if you any student of 10th Class feeling difficult to understand the concept of chemistry. Then, these chemistry notes for class 10 are enough, by Understanding chemistry Notes for 10th 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, our country also need chemists.

Conceptual Questions Chemistry class 10 pdf

If any student searching to topics like Chemistry Notes for 10th class,  Chemistry Notes for Class 10 pdf, Chemistry Notes for Class 10 MCQs, Chemistry Notes for class 10 Gujranwala board, Chemistry Notes for class 10 Lahore board, Class 10 Chemistry notes chapter 12, Chemistry class 10 chapter 12 pdf, Chemistry class 10 chapter-12 short questions, Chemistry class 10 chapter-12 solved exercise pdf, Chemistry Notes for Class 10 Chapter-12, 10th class chemistry notes in Urdu pdf download, Chemistry class 10 pdf, then all the solution if your problem is available within our website eStudent.pk

 

Chapter wise PDF Notes / Problems / Solution of Chemistry 10th Class

                     Chapter-09 (01) – Chemical Equilibrium

                     Chapter-10 (02) – Acids, Bases & Salts

                     Chapter-11 (03) – Organic Chemistry

                     Chapter-12 (04) – Hydrocarbons

                     Chapter-13 (05) – Biochemistry

                     Chapter-14 (06) – The Atmosphere

                     Chapter-15 (07) – Water

                     Chapter-16 (08) – Chemical Industries

                     Pairing Scheme for 2021 – Chemistry 10th Class

 

 

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