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MODERN PUBLICATION-TEST PAPER 9-EXERCISE
- What happens when steam is passed over red hot iron ?
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- Find magnetic moment of Cr^2+ ion.
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- What is neoprene ? Give its one use.
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- Oxygen exists as O2 while sulphur exists as S8,although they belong to...
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- Match the following columns
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- Why do we require artificial sweetening agents?
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- The rusting of iron is an electrochemical phenomenon.Explain.
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- Calculate packing étficiency of a face centred cubic metal crystal.
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- Write short notes on Hofmam's bromamide reaction.
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- What is antibiotics?
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- Explain Etard reaction.
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- Differentiate globular and fibrous proteins.
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- How benzene is obtained from benzoic acid ?
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- Why is aniline a weaker base then ethyl amine?
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- What happens when nitrobenzene is reduced with Sn/HCl and Zn+CaCl2 sol...
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- Explain the following terms with suitable examples : (i) cationic det...
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- What is molecularity ? Illustrate with examples.
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- Derive the expression for the rate constant of the reaction A rarrpro...
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- Define the term boiling point and elevation in boiling point.
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- Prove that elevation in boiling point is a colligative property.
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