Question 2 :
C-60 got a name as Fullerene since this looked like the geodesic dome designed by the US architect Buckminster Fuller. Is it correct ?
Question 4 :
Why is the conversion of ethanol to ethanoic acid an oxidation reaction?
Question 7 :
The presence of a functional group such as alcohol decides the properties of the carbon compound, regardless of the length of the carbon chain. Is it true or false ?
Question 8 :
The ionic end of soap reacts with the oil particles. State TRUE or FALSE.
Question 9 :
While cooking, if the bottom of the vessel is getting blackened on the outside, it means that
Question 10 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b19d24273b230584979bab.JPG' />
In the given figure, name the carbon compound.
Question 11 :
Would you be able to check if water is hard by using a detergent?
Question 12 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b19d26273b230584979bad.JPG' />
In the given figure, name the carbon compound.
Question 14 :
In order to attain an octet, each nitrogen atom in a molecule of nitrogen contributes _____ electrons.
Question 16 :
While cooking, if the bottom of the vessel is getting blackened on the outside, it means that
Question 19 :
Sodium ethoxide is formed when ethanol reacts with sodium. Is it TRUE OR FALSE ?
Question 21 :
Alcohol is used as an additive to fuel in some countries. Is it TRUE OR FALSE ?
Question 22 :
Series of compounds in which the same functional group substitutes for hydrogen in a carbon chain is called a homologous series. Is it correct ?
Question 23 :
What are the most common elements with which carbon would form bonds ?
Question 24 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b19d29273b230584979bb1.JPG' />
In the given figure, name the carbon compound.
Question 27 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b19d22273b230584979ba8.JPG' />
In the above figure, identify the carbon compound.
Question 28 :
The bonds formed by elements of bigger size are more weaker. Is it TRUE OR FALSE ?
Question 31 :
Saturated carbon compounds are less reactive than unsaturated carbon compounds. State TRUE or FALSE.
Question 33 :
Carbon is tetravalent because it has four valence electrons. Is it correct ?
Question 34 :
Carbon, in all its allotropic forms, burns in oxygen to give carbon dioxide with the release of heat and light.. Is it TRUE OR FALSE?
Question 35 :
Sulphur and Nitrogen oxides are the major products of combustion of hydrocarbons. Is it TRUE OR FALSE?
Question 37 :
As the molecular mass increases in any homologous series, a gradation in physical properties is seen. Is it TRUE OR FALSE?
Question 38 :
Soap in the form of a micelle is able to clean, since the oily dirt will be collected in the centre of the micelle. Is it TRUE OR FALSE?
Question 39 :
Ethanol and ethanoic acid are carbon compounds of importance in our daily lives. Is it TRUE OR FALSE?