Question 1 :
Diamond is a good conductor of heat but poor conductor of electricity. Is it TRUE OR FALSE?
Question 2 :
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 4 :
Substances that are capable of providing oxygen to other substances are called ______.
Question 5 :
Give a test that can be used to differentiate between saturated and unsaturated hydrocarbons.
Question 8 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b19d25273b230584979bac.JPG' />
In the given figure, name the carbon compound.
Question 9 :
Write the general formula of a saturated carbon compound having only carbon and hydrogen atoms.
Question 12 :
What are the two properties of carbon which lead to the huge number of carbon compounds we see around us?
Question 13 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b19d2b273b230584979bb3.JPG' />
In the given figure, name the compound.
Question 15 :
Alcohol is used as an additive to fuel in some countries. Is it TRUE OR FALSE ?
Question 19 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b19d29273b230584979bb0.JPG' />
In the given figure, name the carbon compound.
Question 20 :
As the molecular mass increases in any homologous series, a gradation in physical properties is seen. Is it TRUE OR FALSE?
Question 21 :
<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 22 :
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 26 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b19d1e273b230584979ba4.JPG' />
In the above figure, an allotrope of carbon has been given. Write the name of the substance
Question 27 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b19d27273b230584979bae.JPG' />
In the given figure, name the carbon compound.
Question 29 :
While cooking, if the bottom of the vessel is getting blackened on the outside, it means that
Question 30 :
Which carbon compounds are exempted from the branch of organic chemistry?
Question 34 :
With concentrated sulphuric acid, ethanol reduces to ethene and water. Is it TRUE OR FALSE ?
Question 37 :
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 39 :
What are the compounds who have similar molecular formula but different structure called?
Question 40 :
Series of compounds in which the same functional group substitutes for hydrogen in a carbon chain is called?
Question 41 :
The ionic end of soap reacts with the oil particles. State TRUE or FALSE.
Question 42 :
What are the compounds which contain only hydrogen and carbon called?
Question 43 :
Ionic compounds conduct electricity in molten or in solution state. Is it TRUE OR FALSE?
Question 45 :
The amount of carbon present in the earth’s crust and in the atmosphere is quite meagre. Is it TRUE OR FALSE?
Question 47 :
Detergents are used in making shampoos. Is it TRUE OR FALSE?
Question 48 :
Would you be able to check if water is hard by using a detergent?
Question 49 :
There is a carbon-carbon triple bond in butene. State TRUE or FALSE.
Question 50 :
We cannot use detergent to check if water is hard because it does not form ____.