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USHA PUBLICATION-POLYMERS AND CHEMISTRY IN EVERYDAY LIFE -EXERCISE
- Arrange the ions in increasing order of their flocculating power. (Al^...
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- Paracetamol is used as—.
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- In an electrolytic cell oxidation occurs at and reduction at.
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- The half life of a 1st order reaction 4 min. In what time 16 gm of the...
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- What is composition of copper matte ?
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- Indicate the primary and secondary valencies of the central metal atom...
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- Azurite is the ore of iron. (Rewrite correctly)
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- What is temperature co-efficient ?
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- How natual rubber differ from Gutta-percha ?
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- What happens when ethyl benzene is heated with alkaline potassium perm...
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- What happens when phenol is treated with phthalic anhydride in presenc...
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- What is Mendius reaction ?
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- Give two characteristics of 1st order reaction.
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- What happens when acetone is treated with iodine in NaOH solution?
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- What is Fries rearrangement ?
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- Explain, why liquid HCl and pure H2O are non-conductor , while the sol...
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- What is the role of lime stone in the extraction of iron ?
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- How can you convert acetaldehyde to crotonladehyde?
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- Identify A, B, C, D C2H4-NH2 undersetrarr(NaNO2+HCl)A undersetrarr(P//...
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- Find the mole ratio of 'Cu' and 'Ag' deposited when same quantity of c...
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