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UNITED BOOK HOUSE-HIGHER SECONDARY EXAMINATION 2018-EXAMPLE
- The unit of cell constant is
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- The number of chloride ions that surrounds the central Na^+ ion in NaC...
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- What is the purpose of adding a food preservative to a packaged food?
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- Which of the following is most acidic in character?
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- What is the oxidation number of Mn in K2 Mn O4?
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- What are the dispersed phase and dispersion medium in soap lather?
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- How many faraday of electricity is required to liberate 1 mole of copp...
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- Arrange K^(+), Zn^(2+), H^(+), Cu^(2+) ions in order of their tendency...
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- At a constant pressure, the solubility of a gas in a liquid, solvent c...
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- Why the vapour pressure is lowered when urea is dissolved in water und...
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- The particles of a true solution can pass through a semi-permeable mem...
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- What is chemisorption? Explain with an example.
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- Write with balanced chemical equation, what happens when chlorine gas ...
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- Write with balanced chemical equation, What happens when white phospho...
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- How many isomers are possible for [Co(NH3)4CI2? Draw their struc-tures...
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- What is condensation polymerisation? Write with an example.
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- What is the total number of voids in cubic close packed lattice?
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- Metallic gold (Au) crystallises in face-centred cubic lattice. What is...
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- What is a p-type semiconductor?
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- A cubic solid is made of two elements P and Q. Atoms of Q are at the c...
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