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USHA PUBLICATION-POLYMERS AND CHEMISTRY IN EVERYDAY LIFE -EXERCISE
- Why does only xenon from stable compounds among the noble gases?
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- What is carbyl amine reaction ?
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- Write two important hormones and their functions.
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- Presence of – NH2 group in benzene ring activates the ring for further...
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- Which among the halogens (excluding astatine) (i) has highest electron...
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- The radius of Na^+ is 95 pm and Cl^- ion 181 pm. Find co-ordination nu...
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- Find the magnetic moment of Cr^(3+) ion.
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- What happens when SO2 gas is passed through acidified KMnO4 solution ?
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- Why is oxygen a gas sulphur a solid at while room temperature ?
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- How can you distinguish 1^@, 2^@ and 3^@ - alcohols by using Lucas rea...
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- Elucidate the differences between soaps and detergents.
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- Define Kohlrausch's law: Write its one application.
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- For a chemical reaction ArarrB, it is found that the rate of reaction ...
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- Write the cell reaction and cell potential of the cell Zn//Zn^(2+)(0.0...
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- Explain why normality and molarity vary with temperature while molalit...
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- What do you mean by diazotisation and coupling reaction ?
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- Discuss the shape and magnetic property of [Ni(CN)4]^(2-) and [NiCl4]^...
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- Write the possible isomers of the amine with MF : C3H9N. Name them and...
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- Write the possible isomers of the amine with MF : C3H9N. Name them and...
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- Why is dimethyl amine more basic than methyl amine ?
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