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Recent questions tagged probability-mcq
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Q: Suppose a solide solution is formed between two substances, one whose particles are very large and the other whose particles are very small. What kind
Suppose a solide solution is formed between two substances, one whose particles are very large and the other whose ... to be ? Select the correct answer from above options...
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Jan 5, 2022
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Education
by
JackTerrance
probability-questions
probability-mcq
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Q: Define the following terms `:` `a.` Mole fraction `b.` Molality `c.` Molarity `d. Mass percentage.
Define the following terms : a. Mole fraction b. Molality c. Molarity `d. Mass percentage. Select the correct answer from above options...
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Jan 5, 2022
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Education
by
JackTerrance
probability-questions
probability-mcq
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Q: Concentrated nitric acid used in the laboratory work is `68%` nitric acid by mass in aqueous solution. What should be the molaritiy of such a sample o
Concentrated nitric acid used in the laboratory work is 68% nitric acid by mass in aqueous solution. What should be ... 1.504gmL-1 ? Select the correct answer from above options...
asked
Jan 5, 2022
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Education
by
JackTerrance
probability-questions
probability-mcq
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Q: A solution of glucose in water is labelled as `10 "percent" w//w`, what would be the molality and mole fraction of each component in the solution? If
A solution of glucose in water is labelled as 10percentw/w , what would be the molality and mole fraction of each ... of the solution? Select the correct answer from above options...
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Jan 5, 2022
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Education
by
JackTerrance
probability-questions
probability-mcq
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Q: Calculate the percentage composition in terms of mass of solution obtained by mixing `300 g` of a `25%` and `400 g` of a `40%` solution by mass.
Calculate the percentage composition in terms of mass of solution obtained by mixing 300g of a 25% and 400g of a 40% solution by mass. Select the correct answer from above options...
asked
Jan 5, 2022
in
Education
by
JackTerrance
probability-questions
probability-mcq
0
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Q: An antifreeze solution is prepared from `222.6 g` of ethylene glycol `[C_(2)H_(4)(OH)_(2)]` and `200 g` of water. Calculate the molality of the soluti
An antifreeze solution is prepared from 222.6g of ethylene glycol [C2H4(OH)2] and 200g of water. Calculate the ... of the solution? Select the correct answer from above options...
asked
Jan 5, 2022
in
Education
by
JackTerrance
probability-questions
probability-mcq
0
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Q: A sample of drinking water was found to be severely contaminated with chloroform, `CHCl_(3)`, supposed to be carcinogen. The level of contamination wa
A sample of drinking water was found to be severely contaminated with chloroform, CHCl3 , supposed to be carcinogen. ... water sample. Select the correct answer from above options...
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Jan 5, 2022
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Education
by
JackTerrance
probability-questions
probability-mcq
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Q: What role does the molecular interaction play in a solution of alcohol and water ?
What role does the molecular interaction play in a solution of alcohol and water ? Select the correct answer from above options...
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Jan 5, 2022
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Education
by
JackTerrance
probability-questions
probability-mcq
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Q: An aqueous solution of `2` per cent `(wt.//wt)` non-volatile solute exerts a pressure of `1.004` bar at the boiling point of the solvent. What is the
An aqueous solution of 2 per cent (wt./wt) non-volatile solute exerts a pressure of 1.004 bar at the boiling ... mass of the solute? Select the correct answer from above options...
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Jan 5, 2022
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Education
by
JackTerrance
probability-questions
probability-mcq
0
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Q: Heptane and octane form an ideal solution. At `373 K`, the vapour pressure of the two liquids are `105.0` kPa and `46.0` kPa, respectively. What will
Heptane and octane form an ideal solution. At 373K , the vapour pressure of the two liquids are 105.0 kPa and ... and 35g of octane ? Select the correct answer from above options...
asked
Jan 5, 2022
in
Education
by
JackTerrance
probability-questions
probability-mcq
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