Natural gas is used to make_________

Coal gas is the mixture of______

      |      |      |      |

-- C -- C-- C-- C--             is a

     |      |      |      |

Natural gas contains_________

Coal gas is a mixture of_______________

• CO & CH₄

• CO, CH₄ & CO₂

• CO, CH₄ & H₂             

• CO, H₂ & CO₂

(Select Correct Option)

Silicon occurs in the form of _________

Name the gas which is not found in coal gas_______

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?

Who was prepared acetic acid in laboratory?

Homologous series have same_________

In laboratory urea was prepared by_______

Which one is heterocyclic compound?

Geraniol consists of functional group_________

Which one is soft coal__________

C-C bond is stronger than_____

Coal is blackish complex mixture of compounds of________

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

Vitamins are found in____________

Petroleum is refined by_________

Which one contains triple bond?

The basic unit of carbohydrates is_________

Which of the following are derived from alkanes?

How many Carbons are present in Heptanes?

The % age of carbon in coal is_________

CH₃-O-CH₃ is called_______

Which one of the following does not contain starch _________

Coal having 90% carbon contents is called_______

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

Functional group C-O-C is found in__________

Who put forward the vital force theory?

The general formula of alkane is ________

• C_nH_2n+2

• C_nH_2n-2

• C_nH_2n

• C_nH_2n+1

(Select Correct Answer)

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

Which one of the following is a synthetic fiber?

The % age of carbon in coke is_________

Functional group —OH is found.in___________

Esters are recognized by their________

Condensed form of propane is________

• H₃CCH₃

• H₃C(CH₂)₂CH₃

• H₃CCH₂CH₃

• CH₄

(Select Correct Option)

Which one is main source of organic compound?

Dead plants produce all of these products except_______

Which one is homocyclic compound?

How many types of formula of organic compound?

General formula of alkyl radical is_______

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

(Select Correct Option)

Which one of the following is not a fossil fuel?

Which one of the following does not contain protein?

Coal is consisting of ________types.

Pitch is black residue of__________

Which one of the following compounds is an aldehyde?

• CH₃ – CH₂ – OH

• CH₃ – COOH

• CH₃CHO

• CH₃COCH₃

(Which Option is Correct)

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

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

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

Alkyle Radical is represented as_______

The molecular formula of pentane is_______

• CH₄

• C₃H₃

• C₅H₁₂ 

• C₄H₁₀

(Select Correct Option)

Organic compounds are soluble in_________

Which type of coal is used as house hold coal________

Alkyl radical is derivative of__________

Which one contains triple covalent bond?

Which one of the following is the hardest coal?

Paraffin’s means___________

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

Organic compound consisting of “RCOOR” functional group is called_______

Which one is used as reducing agent_________

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

Inorganic compounds are obtained from_________

The functional group -COOH is found in_______

The main component of natural gas is___________

Molecular formula of butane is________

• C₄H₁₀

• C₅H₅

• C₄H₈

• C₄H₆

(Select Correct Option)

Which one contains double bond?

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

The % age of carbon in peat is____________

Carbonization process is the conversion of__________

Which one contains double covalent bond?

A benzene ring is made of carbon atoms_______

The vital force theory suffered rejection in__________

Perfumes may also contains_________

Who was discarded vital force theory?

Organic compounds have_________

The % age of carbon is lignite is___________

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

The % age of carbon in bituminous is __________

The ability of carbon atoms to form chains is called_____

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

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

Main component of natural gas is______

The chemical formula of octane is_________

• C₅H₁₂

• C₃H₈

• C₂H₆

• C₈H₁₈

(Which Option is Correct)

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

Alkanes are also called__________

Functional group containing — NH₂ are called________

Conversion of wood into coal is called ________

Coal tar is a mixture of more than organic compounds_______

Coal tar contains compounds_____

The 1^st organic compound prepared in laboratory.

Functional group containing carbon, hydrogen and halogens are__________

Identify which one of the following compounds is a ketone?

• (CH3)₂CHOH

• (CH3)₂CHCl

• (CH₃)₂CO

• (CH3)₂CHCI

(Which Option is Correct)

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

Which one provide inert atmosphere in metallurgy process?