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UNITED BOOK HOUSE-MODEL QUESTION PAPER 6-EXERCISE
- Which law of the chemical combination is known as law of equivalent ra...
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- Give an example of non daltonic compound?
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- Why Scandium can't form colour compound? Write the general electronic ...
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- Which block element in the periodic table does not show variable vala...
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- State to state function of a system.
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- What is used in Friedel Craft reaction instead of AICl3?
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- Calculate the water of crystallization in CuSO4. When 1 gm hydrated Cu...
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- Show that the atomic weight of Metal M having equivalent weight x form...
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- 1eV = How much Joule? What do you understand by the term isostere?
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- It the energy of 1st Bohr orbit be 13.6eV of a hydrogen atom, then cal...
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- Why the melting point of Boron is so high? State one use of Boron Carb...
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- Why the phenolphthalein turns pink in borax solution? Why it becomes c...
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- Why Na Is taken in excess in Lassigne's test?
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- What is TLV? Write one harmful effect of PAN?
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- Write two difference between orbit anoorbital. What difference will be...
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- Calculate wavelength of a photon having energy 1.2 ev. (1 ev = 1.601 x...
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- What in inner transition metal? Give one example of inert pair effect.
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- Define ionisation potential. State its change down a group.
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- How many sigma & pi bonds are there in propene molecule. State the hyb...
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- Dipole moment and bond length of A B type molecule are 7.42 D 2.04 ove...
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