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OSWAAL PUBLICATION-Solved Paper 2019-1-Excercise
- What is the SI unit of electric current?
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- State Dalton's law of partial pressure and write mathematical form.
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- Write the conjugate base of HCO(3)^(-).
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- Write the valence shell electronic configuration of P-block elements.
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- Assign the oxidation number of Mn in MnO(4)^(-)
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- Name the alkali metal which has high hydration enthalpy.
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- Give the chemical formula of Borax.
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- What are silicones?
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- Write IUPAC name of
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- Name the organic product obtained when Benzee is treated with excess o...
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- A solution is prepared by adding 2 g of a substance A to 18 g of water...
01:51
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- Derive the relation between Density and Molar mass of a gaseous substa...
02:49
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- Write the resonance structures of ozone.
02:10
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- What happens when (i) Quicklime is heated with silica. (ii) Sodium...
02:04
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- What happens when (i) Quicklime is heated with silica. (ii) Sodium...
02:04
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- Diamond is covalent yet it has high melting point. Why?
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- How to prepare benzene from ethyne?
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- Explain the mechanism of Friedel craft alkylation of benzene.
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- What are particulate pollutants? Give an example
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- What is electron negativity ? How does it change in a period as well a...
05:19
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