Perfumes may also contains_________

Which one of the following is a synthetic fiber?

Condensed form of propane is________

• H₃CCH₃

• H₃C(CH₂)₂CH₃

• H₃CCH₂CH₃

• CH₄

(Select Correct Option)

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

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

Which one of the following is the hardest coal?

Petroleum is refined by_________

Functional group —OH is found.in___________

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

Coal gas is a mixture of_______________

• CO & CH₄

• CO, CH₄ & CO₂

• CO, CH₄ & H₂             

• CO, H₂ & CO₂

(Select Correct Option)

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

The % age of carbon in bituminous is __________

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

      |      |      |      |

-- C -- C-- C-- C--             is a

     |      |      |      |

The chemical formula of octane is_________

• C₅H₁₂

• C₃H₈

• C₂H₆

• C₈H₁₈

(Which Option is Correct)

Which one of the following does not contain protein?

Name the gas which is not found in coal gas_______

A benzene ring is made of carbon atoms_______

Molecular formula of butane is________

• C₄H₁₀

• C₅H₅

• C₄H₈

• C₄H₆

(Select Correct Option)

In laboratory urea was prepared by_______

Pitch is black residue of__________

Natural gas contains_________

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

Vitamins are found in____________

Which one contains double covalent bond?

Which one is used as reducing agent_________

Coal having 90% carbon contents is called_______

The main component of natural gas is___________

The molecular formula of pentane is_______

• CH₄

• C₃H₃

• C₅H₁₂ 

• C₄H₁₀

(Select Correct Option)

How many types of formula of organic compound?

The 1^st organic compound prepared in laboratory.

The % age of carbon in peat is____________

Which one is heterocyclic compound?

Which one is soft coal__________

The % age of carbon in coke is_________

Which one of the following does not contain starch _________

Silicon occurs in the form of _________

Coal tar contains compounds_____

Who was prepared acetic acid in laboratory?

Which one of the following compounds is an aldehyde?

• CH₃ – CH₂ – OH

• CH₃ – COOH

• CH₃CHO

• CH₃COCH₃

(Which Option is Correct)

General formula of alkyl radical is_______

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

(Select Correct Option)

Organic compounds have_________

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

Functional group containing — NH₂ are called________

Paraffin’s means___________

The ability of carbon atoms to form chains is called_____

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

Coal tar is a mixture of more than organic compounds_______

Alkyl radical is derivative of__________

Which one contains triple bond?

Who put forward the vital force theory?

Geraniol consists of functional group_________

Alkyle Radical is represented as_______

Which one is main source of organic compound?

Which one is homocyclic compound?

Which one contains triple covalent bond?

The functional group -COOH is found in_______

Functional group C-O-C is found in__________

Which of the following are derived from alkanes?

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

The % age of carbon is lignite is___________

Identify which one of the following compounds is a ketone?

• (CH3)₂CHOH

• (CH3)₂CHCl

• (CH₃)₂CO

• (CH3)₂CHCI

(Which Option is Correct)

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

Functional group containing carbon, hydrogen and halogens are__________

Coal is consisting of ________types.

Which type of coal is used as house hold coal________

Which one of the following is not a fossil fuel?

CH₃-O-CH₃ is called_______

Who was discarded vital force theory?

Coal is blackish complex mixture of compounds of________

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

Inorganic compounds are obtained from_________

Coal gas is the mixture of______

Alkanes are also called__________

Conversion of wood into coal is called ________

The vital force theory suffered rejection in__________

Organic compound consisting of “RCOOR” functional group is called_______

Organic compounds are soluble in_________

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

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

The % age of carbon in coal is_________

Dead plants produce all of these products except_______

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

C-C bond is stronger than_____

Natural gas is used to make_________

The basic unit of carbohydrates is_________

Main component of natural gas is______

Which one provide inert atmosphere in metallurgy process?

Which one contains double bond?

Carbonization process is the conversion of__________

How many Carbons are present in Heptanes?

Esters are recognized by their________

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?

Homologous series have same_________