UNITED BOOK HOUSE-MODEL QUESTION PAPER 5-EXERCISE
- Compare the bond angle of the molecules NH3 H2O and CH4. Which theory ...
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- State the hybridisation and structure of the molecule SF6, PCI5 & SiCl...
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- Write two differences between Real & Ideal gas. What is partial pressu...
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- Define surface tension of a liquid. What do you mean by viscosity of a...
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- The standard heat of formation of C6 H5 COOH (s) CO2 (g) & H2 O (1) at...
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- Establish DeltaG = DeltaH- TDeltaS.
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- What do you mean by oxidation number determine the oxidation no of * m...
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- What is heavy water? Why is it so called?
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- Calculate the hardness of water in ppm. when 10 gm MgCl2 and 15 gm Cal...
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- Why are alkali metals not found in nature?
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- Give example of elemination and addition reaction in organic Chemistry...
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- State La-Chatteler principle. What is active mass? How it is measure? ...
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- Explain what will happen if the reaction below is treated in open & cl...
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- What is pH of a solution? Is the neutral pH at higher temperature be l...
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- State reason :Why born nitrides is called inorganic graphite..
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- What will happen if boron is heated with KOH solution.
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- What happens when boron is strongly heated with concentrated HNO3? Wh...
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- State the reagent used for the following. Conversion:-
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- State the reagent used for the following. Conversion:-
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- State the reagent used for the following. Conversion:-
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