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प्रश्न
Fill in the blank with correct word from the bracket.
Melting and boiling points of covalent compounds are generally ______ (low, high).
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उत्तर
Melting and boiling points of covalent compounds are generally low.
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संबंधित प्रश्न
What type of bonds are present in hydrogen chloride and oxygen?
Compare the properties of ionic compounds and covalent compounds.
Why is graphite used for making dry cell electrodes but diamond is not?
Using electron-dot diagrams which show only the outermost shell electrons, show how a molecule of nitrogen, N2, is formed from two nitrogen atoms. What name is given to this type of bonding? (Atomic number of nitrogen is 7)
Explain the following briefly:
Sodium chloride dissolves in water but carbon tetra chloride is insoluble in water.
What is the term defined below?
A bond formed by a shared pair of electrons, each bonding atom contributing one electron to the pair.
Compound X consists of molecules.
Choose the letter corresponding to the correct answer from the options A, B, C and D given below:
The type of bonding in X will be ______.
Explain the following:
Water is a polar covalent molecule.
Write scientific reason.
Carbon has the property of forming many compounds.
Which of the following statements are correct for carbon compounds?
- Most carbon compounds are good conductors of electricity.
- Most carbon compounds are poor conductors of electricity.
- Force of attraction between molecules of carbon compounds is not very strong.
- Force of attraction between molecules of carbon compounds is very strong.
