Question Details

Detailed explanation and options for the selected question.

Which chemical test uses nitric acid and ammonia to detect proteins (turning violet)?

A. Benedict’s test

B. Biuret test

C. Iodine test

D. Fehling’s test

Explanation:

The Biuret test turns violet in the presence of proteins. Benedict’s and Fehling’s test for sugars, iodine test for starch.

Related Topics

Coordinating Global Scientific Experiments

Revision Notes

Einstein Field Equations

Revision Notes

Who was Trijata in the Ramayana, and how did she comfort Sita in Lanka?

Revision Notes

अमृत का विलोम शब्द

Revision Notes

In the Ramayana, who was Kumbhakarna, and how did his eternal slumber shape the battle in Lanka?

Revision Notes

Spiritual and Cultural Perspectives on Time

Revision Notes

When Is Nuakhai 2025?

Revision Notes

Who was Yudhishthira in the Mahabharata, and why is he called Dharmaraja?

Revision Notes

Tips for Starting a Small Kirana or Retail Shop

Revision Notes

Gauss’s Law

Revision Notes