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OSWAAL PUBLICATION-Sample Paper 2-Exercise
- Why is potassium more reactive than sodium?
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- What is called as inorganic benzene ?
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- Which oxide of carbon is an anhydride of carbonic acid?
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- Which gas is liberated in Kjeldahl's method?
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- Name the hydrocarbon which contains acidic hydrogen?
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- Explain law of constant composition with suitable example.
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- What is standard boiling point of the liuid?
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- What is the SI unit of viscosity.
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- Give any two difference between sigmaandpi bond.
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- What is the reaction of alkali metal with oxygen (air)? Give suitable ...
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- Which of the following is acidic and why? SiO2,Al2O3,PbO2
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- Show that presence of three double bonds in benzene.
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- How does ozonolysis takes place in ethene?
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- What is the cause of acid rain?How is ti harmful to the environment?
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- Give two reason , why the number of elements in first period is only 2...
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- Write the general electronic configuration of f-block elements.
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- What is hydrogen bonding?
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- HF is liquid where as HCI is gas.Give suitable reason.
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- Write the resonance structure of CO(2).
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- Write the lewi's dot structure of lithium molecule.Calculate its bond ...
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