Question 2 :
Which of the options explain the atomic arrangement in graphite ?
Question 3 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b19d2c273b230584979bb4.JPG' />
In the given figure, name the compound.
Question 6 :
Sodium ethoxide is formed when ethanol reacts with sodium. Is it TRUE OR FALSE ?
Question 7 :
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 9 :
Which of the options explain the atomic arrangement in diamond ?
Question 10 :
We cannot use detergent to check if water is hard because it does not form ____.
Question 11 :
Carboxylic acids are basic in nature. Is it TRUE OR FALSE ?
Question 12 :
Saturated hydrocarbons give a sooty flame in absence of air. Is it TRUE OR FALSE?
Question 14 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b19d23273b230584979baa.JPG' />
In the given figure, a cyclic unsaturated carbon compound is shown. Identify the compound.
Question 17 :
<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 19 :
<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 23 :
Most carbon compounds are poor conductors of electricity. Is it TRUE OR FALSE?
Question 25 :
What are the compounds who have similar molecular formula but different structure called?
Question 26 :
Series of compounds in which the same functional group substitutes for hydrogen in a carbon chain is called?
Question 28 :
Carbon's small size is a disadvantage to form long bonds. Is it TRUE OR FALSE ?
Question 30 :
<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 31 :
With concentrated sulphuric acid, ethanol reduces to ethene and water. Is it TRUE OR FALSE ?
Question 32 :
Give a test that can be used to differentiate between saturated and unsaturated hydrocarbons.
Question 34 :
While cooking, if the bottom of the vessel is getting blackened on the outside, it means that
Question 35 :
Carbon has a tendency to form more than 4 bonds. Is it TRUE OR FALSE?
Question 36 :
There is a carbon-carbon triple bond in butene. State TRUE or FALSE.
Question 37 :
Detergents are used in making shampoos. Is it TRUE OR FALSE?
Question 42 :
What were the criteria used by Mendeleev in creating his periodic table?
Question 43 :
By considering their position in the periodic table, which one of the following elements would you expect to have maximum metallic characteristic?: Ga, Ge, As, Se and Br
Question 44 :
Use Mendeleev's periodic table to predict the formulae for the oxides of the elements 'K'.
Question 45 :
Use Mendeleev's periodic table to predict the formulae for the oxides of the elements 'Si'.
Question 46 :
Use Mendeleev's periodic table to predict the formulae for the oxides of the elements 'C'.
Question 47 :
Name three elements that have a single electron in their outermost shells.
Question 48 :
Name two elements that have two electrons in their outermost shells.
Question 49 :
Use Mendeleev's periodic table to predict the formulae for the oxides of the elements 'Ba'.
Question 50 :
Use Mendeleev's periodic table to predict the formulae for the oxides of the elements 'Al'.