Recent questions tagged Probability-mcq

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At what temperature range most of the metals becomes superconductors

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What is curie temperature?

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Name the compound that can be added to `AgCl` so as to produce cation vacancies.

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Which point defect does not change the density of `AgCl` crystals?

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What other elements may be added to silicon to make electrons available for conduction of an electric current?

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What are the types of lattice imperfection found in crystals?

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What is dislocation in the crystals

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Which transition metal oxide has appearance and conductivity like that of copper

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How is electrical conductivity caused in (a) semiconductors, (b) metals, and (c ) inoic compounds?

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Name the compound which shows both electric and ferroelectric proporties.

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Name the compound which shows anti-ferroelectric property.

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Calculate the mass percentage of benzene `(C_(6)H_(6))` and carbon tetraCHMloride `( C Cl_(4))` if `22g` of benzene is dissoved in `122g` of carbon te

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Calculate the mole fraction of benzene in solution containing `30%` by mass in carbon tetrachloride.

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Calculate the molarity of eaCHM of the following solutions `:` `a. 30g` of `Co(NO_(3))_(2).6H_(2)O` in `4.3L` of solution `b. 30mL` of `0.5 M H_(2)SO_

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Calculate the mass of urea `(NH_(2)CONH_(2))` required in making `2.5 kg `of `0.25 `molal aqueous solution.

asked Jan 5 in Education by JackTerrance (1.7m points)

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Calculate the `(a)` molality, `(b)` molartiy, and `(c)` mole fraction of `KI` if the density of `20% (` mass `//` mass `)` aqueous `KI` is `1.202 g m

asked Jan 5 in Education by JackTerrance (1.7m points)

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The boiling point of water at `750mm Hg` is `99.63^(@)C`. How muCHM sucrose is to be added to `500 g` of water suCHM that it boils at `100^(@)C`.

asked Jan 5 in Education by JackTerrance (1.7m points)

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Calculate the mass of ascorbic acid `(` Vitamin `C,C_(6)H_(8)O_(6))` to be dissolved in `75g` of acetic acid to lower its melting poit by `1.5^(@)C. K

asked Jan 5 in Education by JackTerrance (1.7m points)

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Calculate the osmotic pressure in pascals exerted by a solution prepared by dissolving `1.0g` of polymer of molar mass `185,000` in `450mL` of water a

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Define the term solution. How many types of solutions are formed ? Write briefly about eaCHM type with an example.

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