The functional group -COOH is found in_______

Dead plants produce all of these products except_______

Which of the following formula of a compound represents the exact arrangement of the different atoms of various elements present in a molecule of a substance?

Coal tar contains compounds_____

Which one of the following statements is not true about fossil fuels?

Coal gas is a mixture of_______________

• CO & CH₄

• CO, CH₄ & CO₂

• CO, CH₄ & H₂             

• CO, H₂ & CO₂

(Select Correct Option)

Main component of natural gas is______

How many types of formula of organic compound?

Who put forward the vital force theory?

Which one of the following is not a fossil fuel?

Geraniol consists of functional group_________

Which one contains triple covalent bond?

Coal is blackish complex mixture of compounds of________

Which one is main source of organic compound?

Carbonization process is the conversion of__________

The basic unit of carbohydrates is_________

The 1^st organic compound prepared in laboratory.

Alkyl radical is derivative of__________

Coal tar is a mixture of more than organic compounds_______

The chemical formula of octane is_________

• C₅H₁₂

• C₃H₈

• C₂H₆

• C₈H₁₈

(Which Option is Correct)

A benzene ring is made of carbon atoms_______

The % age of carbon in bituminous is __________

The branch of chemistry which deals with the study of hydrocarbons and their derivatives is known as________

Which one of the following is the hardest coal?

How many Carbons are present in Heptanes?

Which one contains triple bond?

Organic compound consisting of “RCOOR” functional group is called_______

___________ represents group of atoms joined together to each carbon atom.

The vital force theory suffered rejection in__________

Which type of coal is used as house hold coal________

Which one of the following does not contain starch _________

Conversion of dead plants into coal by the action of bacteria and heat is called_____

Alkyle Radical is represented as_______

Perfumes may also contains_________

Which one of the following is a synthetic fiber?

Functional group C-O-C is found in__________

Petroleum is refined by_________

Condensed form of propane is________

• H₃CCH₃

• H₃C(CH₂)₂CH₃

• H₃CCH₂CH₃

• CH₄

(Select Correct Option)

C-C bond is stronger than_____

The % age of carbon in coal is_________

      |      |      |      |

-- C -- C-- C-- C--             is a

     |      |      |      |

Which one of the following compounds is an aldehyde?

• CH₃ – CH₂ – OH

• CH₃ – COOH

• CH₃CHO

• CH₃COCH₃

(Which Option is Correct)

In which of the following groups, oxygen is attached on both sides with carbon atoms?

Number of isomers increases with increase in number of ________ atoms.

Organic compounds have_________

CH₃-O-CH₃ is called_______

General formula of alkyl radical is_______

• C_nH_2n+2
• C_nH_2n-2
• C_nH_2n+1
• C_nH_2n

(Select Correct Option)

Who was prepared acetic acid in laboratory?

Name the gas which is not found in coal gas_______

In laboratory urea was prepared by_______

Coal having 90% carbon contents is called_______

Which one is homocyclic compound?

Natural gas contains_________

Conversion of wood into coal is called ________

Coal gas is the mixture of______

The Characteristic of carboxylic acid are due to the presence of group in them_______

The removal of terminal hydrogen from the straight chain of propane is called _____

Which one is soft coal__________

Formula which represents the actual number of atoms in one molecule of organic compound is______________

Which one contains double bond?

Who was discarded vital force theory?

The branch of Chemistry which deals with hydro carbons and their derivatives are called______

Functional group containing — NH₂ are called________

Which one of the following does not contain protein?

Which one is heterocyclic compound?

Esters are recognized by their________

Pitch is black residue of__________

Organic compounds are soluble in_________

Identify which one of the following compounds is a ketone?

• (CH3)₂CHOH

• (CH3)₂CHCl

• (CH₃)₂CO

• (CH3)₂CHCI

(Which Option is Correct)

The general formula of alkane is ________

• C_nH_2n+2

• C_nH_2n-2

• C_nH_2n

• C_nH_2n+1

(Select Correct Answer)

The strong heating of coal in the absence of air is called__________

Functional group containing carbon, hydrogen and halogens are__________

The % age of carbon in peat is____________

Alkanes are also called__________

Which of the following are derived from alkanes?

The main component of natural gas is___________

Natural gas is 85% methane. It is used to make the following except_______

Which one provide inert atmosphere in metallurgy process?

The % age of carbon is lignite is___________

The ability of carbon atoms to form chains is called_____

The % age of carbon in coke is_________

Which one is used as reducing agent_________

Coal is consisting of ________types.

The formula which represents the actual number of atoms in one molecule of organic compound is called __________

Natural gas is used to make_________

Which one contains double covalent bond?

The molecular formula of pentane is_______

• CH₄

• C₃H₃

• C₅H₁₂ 

• C₄H₁₀

(Select Correct Option)

The strong heating of coal in the absence of air is called______

Silicon occurs in the form of _________

Vitamins are found in____________

Homologous series have same_________

Inorganic compounds are obtained from_________

Functional group —OH is found.in___________

Molecular formula of butane is________

• C₄H₁₀

• C₅H₅

• C₄H₈

• C₄H₆

(Select Correct Option)

Paraffin’s means___________