MEDIUM
9th Maharashtra Board
IMPORTANT
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What is a compound? How are compounds formed? 

Important Questions on Carbon : An Important Element

MEDIUM
9th Maharashtra Board
IMPORTANT
Science and Technology Standard Nine>Chapter 13 - Carbon : An Important Element>Use your brain power!
In which of the solvents- water, kerosene and cooking oil does the coal powder dissolve?  What inference will you draw about the solubility of carbon?  
MEDIUM
9th Maharashtra Board
IMPORTANT
Science and Technology Standard Nine>Chapter 13 - Carbon : An Important Element>Use your brain power!>Q 1
Does an electric charge form on atoms when a covalent bond is formed between them? Why is a single bond between two carbon atoms strong and stable? 
MEDIUM
9th Maharashtra Board
IMPORTANT
Science and Technology Standard Nine>Chapter 13 - Carbon : An Important Element>Use your brain power!>Q 1
Is the density of CO2 more or less than that of air?
EASY
9th Maharashtra Board
IMPORTANT
Science and Technology Standard Nine>Chapter 13 - Carbon : An Important Element>Exercise>Q 1

Select the proper option and complete the statement.

(single, all, double, ionic, carbon, give and take, hydrogen, multiple, share, most, covalent)

All the carbon bonds in a saturated hydrocarbon _____ electrons.

EASY
9th Maharashtra Board
IMPORTANT
Science and Technology Standard Nine>Chapter 13 - Carbon : An Important Element>Exercise>Q 1

Select the proper option and complete the statement.

(single, all, double, ionic, carbon, give and take, hydrogen, multiple, share, most, covalent)

 At least one carbon bond in an unsaturated hydrocarbon is _____.

EASY
9th Maharashtra Board
IMPORTANT
Science and Technology Standard Nine>Chapter 13 - Carbon : An Important Element>Exercise>Q 1

Select the proper option and complete the statement.

(single, all, double, ionic, carbon, give and take, hydrogen, multiple, share, most, covalent)

_____ is the essential element in all the organic compounds.

EASY
9th Maharashtra Board
IMPORTANT
Science and Technology Standard Nine>Chapter 13 - Carbon : An Important Element>Exercise>Q 1

Select the proper option and complete the statement.

(single, all, double, ionic, carbon, give and take, hydrogen, multiple, share, most, covalent)

The element hydrogen is present in _____ organic compound.

HARD
9th Maharashtra Board
IMPORTANT
Science and Technology Standard Nine>Chapter 13 - Carbon : An Important Element>Exercise>Q 2

Why are carbon and its compounds used as fuels?