Chemistry class-10 chapter-12 solved exercise pdf

Chemistry Notes for Class-10 Chapter-12

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Hydrocarbons:

If you are looking for Chemistry Notes for Class 10 Chapter-12 then you are on right place, and have found the your required Notes for Chemistry. on this post you can find the all type Notes & Solution for chemistry class 10 problems. so read this post and take benefits for your studies and share with your Friends.

 

 

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

Alkyne forms____________

2 / 96

Which one is the formula of chloromethane?

  • CH2Cl2
  • CCl4
  • CHCl3
  • CH3Cl

Which Option is Correct ?

3 / 96

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

4 / 96

In dry cleaning, which chemical is used?

5 / 96

Oxidation of ethene with KMnO4 produces______

6 / 96

Alkenes is also called ______

7 / 96

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

8 / 96

Molecular formula of butyne is_____________

  • C4H6
  • C3H4
  • C4H7
  • C4H8

Which Option is Correct ?

9 / 96

Amorphous forms of carbons are______

10 / 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

11 / 96

Which of the following is a synthetic fiber?

12 / 96

Which is the characteristics property of alkanes?

13 / 96

Carbon tetra chloride is used in_______

14 / 96

Those Hydrocarbons having high molecular mass are___________

15 / 96

Banaspati Ghee is also called______

16 / 96

Which is the simplest alkane?

  • CH4
  • C3H8
  • C2H2
  • C2H4

Which Option is Correct ?

17 / 96

Due to increase in molar mass which property increases?

18 / 96

Formula of nascent hydrogen is_______

19 / 96

Carbon black is used in the manufacture of_______

20 / 96

Due to which property alkane are used as fuel___________

21 / 96

Alkynes being more reactive than __________

22 / 96

Methane is also called ______

23 / 96

Addition of hydrogen is called _________

24 / 96

Which of the following has higher energy?

25 / 96

The compound having at least one benzene ring are called________

26 / 96

Alkenes are insoluble in___________

27 / 96

Substitution reaction is the characteristics of__________

28 / 96

The Hydrocarbons having double bond are called _________

29 / 96

Chemical formula of chloroform is________

  • CH2Cl2
  • CH3Cl
  • CHCl3
  • CCl4

Which Option is Correct ?

30 / 96

Banana when ripped produces gas________

31 / 96

Alkanes are also called ________

32 / 96

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

  • CH4
  • C3H8
  • C2H6
  • C6H6

Select Correct Option

33 / 96

Incomplete combustion of alkanes produces________

34 / 96

Which of the following is not a function of chloroform?

35 / 96

Which of the following is not an organic solvent?

  • C2H5OH
  • CHCl3
  • CCl4
  • H2O

Select Correct Option

36 / 96

Which gas creates suffocation and causes death?

  • CO
  • CO2
  • SO3
  • SO2

Which Option is Correct ?

37 / 96

Which compound is used for welding process?

38 / 96

Which of the following property is not present in hydrocarbons?

39 / 96

Oxidation of alkenes produce______

40 / 96

Alkenes are produced in large amounts by cracking of_________

41 / 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?

42 / 96

The formula of methane _______

  • CH3
  • CH4
  • CH2
  • C2H5

Select Correct Option

43 / 96

Incomplete combustion of alkanes produces __________

44 / 96

Dehydrohalogenation of alkyl halides take place in the presence of __________

45 / 96

Alkanes are least reactive compounds because they are____________

46 / 96

In shoe polishes, which chemical is used?

47 / 96

Which one of the following is a substitution reaction?

48 / 96

Which is present 85% in natural gas?

49 / 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)

50 / 96

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

51 / 96

The order of reactivity of hydrogen halides with alkenes is__________

52 / 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 ?

53 / 96

Alkanes do not react in__________

54 / 96

Benzene is formed by the polymerization of_______________

55 / 96

The example of rubbers is ________

56 / 96

Dehydration of alcohols can be carried out with______

  • NaOH
  • KOH
  • H2SO4
  • HCl

Which Option is Correct ?

57 / 96

A solution of bromine in water having colour________

58 / 96

Alcohol is soluble in water due to ________

59 / 96

The density of alkane increases with the increase of _________

60 / 96

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

61 / 96

paraffins means________

62 / 96

Which one of the following is a substitution reaction?

63 / 96

Which one of these is a saturated hydrocarbon?

  • C2H4
  • C3H6
  • C4H8
  • C5H12

Which Option is Correct?

64 / 96

Carbon has valency_______

65 / 96

The general formula of alkynes is_________

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

Which Option is Correct ?

66 / 96

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

67 / 96

Which of the following is not alcohol?

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

Select Correct Option

68 / 96

Detergents are the sodium salts of__________

69 / 96

Dehydration means removal of__________

70 / 96

Condensed formula of ethane is________

  • C3H8
  • C2H6
  • H3CCH3
  • None of These

Which Option is Correct ?

71 / 96

Some orchids attract bees for pollination by producing_________

72 / 96

Which of the following gas is used in warfare?

73 / 96

Ethylene is present in natural gas sometimes to the extent of________

74 / 96

Traces of acetylene are present in coal gas about_________

75 / 96

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

76 / 96

Alkenes are prepared from alcohols by a process called_________

77 / 96

The reduction of alkyl halides takes place in the presence of___________

78 / 96

Ethylene oxide is used as _________

79 / 96

Glyoxal is oxidize into_________

80 / 96

The formula of oxalic acid is___________

  • (COOH)2
  • HCOOH
  • CH3COOH
  • COOH

Select Correct Option

81 / 96

Which of the following is not a hydrocarbon?

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

Which Option is Correct ?

82 / 96

Which one of the following is more reactive?

83 / 96

Which of the following does not occur free in nature?

84 / 96

Alkanes give reaction only _____

85 / 96

Methane forms natural gas about___________

86 / 96

Chloroform is used for__________

87 / 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?

88 / 96

Which is used as Anti-freezer?

89 / 96

Number of bonds in propene is ______________

90 / 96

The end product of oxidation of acetylene is_______

91 / 96

Ethene reacts with H2SO4 at temperature of_________

92 / 96

The alkanes consisting of C5 to C10 are__________

93 / 96

Dehydrohalogenation takes place in the presence of_____________

94 / 96

Traces of acetylene are present in coal gas about ___________

95 / 96

Number of bonds present in methane________

96 / 96

Di-methy acetylene is also 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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zainab21:08:07 Dec 20, 202312%
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Basharat16:14:39 Jul 14, 202341%
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df20:14:23 Apr 25, 202325%
Dr.Abeera Zainab22:55:16 Apr 08, 202328%
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abdulahad20:05:28 Feb 13, 20235%
Adnan19:44:49 Nov 08, 202275%
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sara14:50:18 Oct 09, 202233%
Abdullah05:17:21 Oct 03, 202253%
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Zeeshan awan16:13:35 Sep 26, 202282%
Zeeshan awan16:13:35 Sep 26, 202282%
Zeeshan awan15:33:31 Sep 26, 202233%
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.

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Conceptual Questions Chemistry class 10 pdf

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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