Carbon tetrachloride is not a good conductor of electricity. Give reason to justify this statement.
State the part of soap molecules that attaches itself to dirt when soap is dissolved in water.
How is scum formed?
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It is a covalent compound and so it does not allow flow of electrons and ions. So it is bad conductor of electricity.
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Ans-1. Carbon tetrachloride is a covalent compound and covalent compounds comprises of only atoms and not ions. Thus, due to the absence of ions, these are generally bad conductor of electricity.
Ans-2. Hydrophobic end also called as tail, i.e. hydrocarbon chain.
Ans-3. When soap reacts with hard water, a white curdy precipitate is formed which is called scum.
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