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Chemical Sciences Virtual Chemistry Lab Experiments

Aim

Theory

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Procedure

Simulation

Posttest

References

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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Feedback

HPTLC-Densitometric Determination of Urea in Milk

Choose difficulty:

Beginner

Intermediate

Advanced

1. Urea is transported by-

a: Plasma Explanation

Explanation

b: Blood Explanation

Explanation

c: RBC Explanation

Explanation

d: WBC Explanation

Explanation

2. Excess amino acids in the body are broken down to form urea in-

a: Kidney Explanation

Explanation

b: Liver Explanation

Explanation

c: Spleen Explanation

Explanation

d: Pancreas Explanation

Explanation

3. The concentration of urea is highest in-

a: Renal vein Explanation

Explanation

b: Hepatic portal vein Explanation

Explanation

c: Dorsal aorta Explanation

Explanation

d: Hepatic vein Explanation

Explanation

4. Which one has the highest percentage of nitrogen?

a: Ca(NO₃)₂ Explanation

Explanation

b: CAN Explanation

Explanation

c: Urea Explanation

Explanation

d: NH₄NO₃ Explanation

Explanation

5. Arrange the following solvents in their increasing order of polarity: Water, Methanol, Toluene-

a: Methanol → Toluene → Water Explanation

Explanation

b: Toluene → Water → Methanol Explanation

Explanation

c: Water → Toluene → Methanol Explanation

Explanation

d: Toluene → Methanol → Water Explanation

Explanation

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