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Search Results for paper - All Grades

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Grade 12 Bonds and Mixing
Which of the following is an example of column chromatography?
  1. Ion-exchange chromatography
  2. Gas-solid chromatography
  3. Thin layer chromatography
  4. Gas-liquid chromatography
College Surface Chemistry
What is the capacity of a strong cation exchange resin?
  1. 2-4 milliequivalents per gm of the resin
  2. 2-5 milliequivalents per gm of the resin
  3. 3-7 milliequivalents per gm of the resin
  4. 3-9 milliequivalents per gm of the resin
College Analytical Methods
Which of the following is a replaceable ion for the cation exchanger?
  1. Hydrogen ion
  2. Chloride ion
  3. Hydroxice ion
  4. Nitrate ion
Grade 12 Properties of Matter
Grade 12 Bonds and Mixing
What is the stationary phase of paper chromatography?
  1. Thin film of liquid supported on a paper
  2. Liquid phase impregnated on an inert solid support
  3. Thin layer of solid adsorbent
  4. Solid adsorbents like silica and alumina
Grade 12 Organic Chemistry
What is the functional group of the ion exchange resin Amberlite IR-45?
  1. [math]-NH (CH_3)_2^+ OH^(-)[/math][math][/math]
  2. [math]-N(CH_3)_3^(+)Cl^(_)[/math][math][/math]
  3. [math]-COO^(-)H^(+)[/math]
  4. [math]-SO_3^(_) H^(+)[/math]
Grade 12 Properties of Matter
Which of the following is a correct classification for paper chromatography?
  1. Solid-liquid chromatography
  2. Liquid-liquid chromatography
  3. Gas-solid chromatography
  4. Gas-liquid chromatography
Grade 12 Properties of Matter
What is the stationary phase of paper chromatography?
  1. Thin film of liquid supported on a paper
  2. Liquid phase impregnated on an inert solid support
  3. Thin layer of solid adsorbent
  4. Solid adsorbents like silica and alumina
College Organic Chemistry
What is the functional group present in Amberlite IRA-400?
  1. [math]-SO_3^(-) H^(+)[/math]
  2. [math]-COO^(-)H^(+)[/math]
  3. [math]-N (CH_3)_3^(+) Cl^(_)[/math]
  4. [math]-NH (CH_3)_2^(+) OH^(-)[/math]
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