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प्रश्न
what substance is graphite made?
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उत्तर
On burning graphite in the presence of oxygen, only carbon dioxide gas is evolved proving that graphite is only made of carbon.
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संबंधित प्रश्न
Ethane, with the molecular formula C2H6 has ______.
State the type of bonding in the following molecule.
Water
Name a carbon containing molecule which has two double bonds.
What do you call the compounds having the same molecular formula but different structural arrangements of atoms?
Which inert gas electron configuration do the Cl atoms in Cl2 molecule resemble? What is this electron configuration?
What type of bond exist in CCl4?
Draw the electron-dot structure of N2 and state the type of bonding.
State the type of bonding in the following molecule.
Methane
Explain the following briefly:
Sodium chloride dissolves in water but carbon tetra chloride is insoluble in water.
The following table shows the electronic configuration of the elements W, X, Y, Z:
|
Element |
W |
X |
Y |
Z |
|
Electronic |
2,8,1 |
2,8,7 |
2,5 |
1 |
Answer the following questions based on the table above:
What type of bond is formed between Y and Z.
Elements Q and S react together to form an ionic compound. Under normal conditions, which physical state will the compound QS exist in?
State the type of bond formed, and draw Lewis structure of water.
Element A has 2 electrons in its M shell. Element B has atomic number 7.
If B is a diatomic gas, write the equation for the direct combination of A and B to form a compound.
What is the difference between a polar covalent compound and a non-polar covalent compound?
Number of valence electrons in a carbon atom is _______.
From the following hydrocarbon _______ is the cyclic hydrocarbon.
Your body is made up of carbon.
Although metals form basic oxides, which of the following metals form an amphoteric oxide?
State the reasons, why carbon cannot
- Lose four electrons to form C4+ cation and
- Gain four electrons to form C4- anion.
How does carbon overcome this problem to form compounds?
