Chemistry Lab Experiments Quiz

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Questions and Answers

What is the focus of the experiment 'Determination of the percentage of Fe in the given steel sample'?

  • Quantifying the percentage of iron in the steel sample (correct)
  • Determining the molecular weight of a polymer by viscometry
  • Conducting a potentiometric titration
  • Measuring the corrosion rate by polarization technique

What is the purpose of the experiment 'Estimation of carbonate, non-carbonate and total hardness in the given water sample'?

  • To measure the concentration of dissolved oxygen in a water sample
  • To determine different types of water hardness in a sample (correct)
  • To estimate the percentage of Fe in a steel sample
  • To study the three-component system in a water sample

What is the objective of the experiment 'Conductometric titration'?

  • To measure the conductivity change during a titration (correct)
  • To standardize EDTA titrand and titrant
  • To estimate Fe3+ by spectrophotometer
  • To determine the percentage purity of bleaching powder

What is the main technique used in the experiment 'Corrosion rate by polarization technique'?

<p>Polarization technique (C)</p> Signup and view all the answers

What is the purpose of the experiment 'Determination of molecular weight of the polymer by Viscometry'?

<p>To calculate the molecular weight of a polymer using viscosity measurements (B)</p> Signup and view all the answers

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Study Notes

Determination of Fe in Steel Sample

  • Focus: To determine the percentage of iron (Fe) in a given steel sample
  • Objective: To analyze the composition of the steel sample and quantify the iron content

Estimation of Water Hardness

  • Focus: To estimate the total hardness, carbonate hardness, and non-carbonate hardness in a given water sample
  • Objective: To analyze the water quality and determine its hardness levels

Conductometric Titration

  • Objective: To determine the equivalence point of a reaction using a conductometric titration technique
  • Focus: To analyze the change in conductivity of a solution during a titration reaction

Corrosion Rate Measurement

  • Technique: Polarization technique
  • Focus: To measure the corrosion rate of a material by applying an external potential to the system

Molecular Weight Determination

  • Technique: Viscometry
  • Focus: To determine the molecular weight of a polymer by measuring the viscosity of its solution

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