Biochemical Tests and Malicious Reagent Preparation

Biochemical Tests and Malicious Reagent Preparation

Assessment

Interactive Video

Chemistry

10th - 11th Grade

Hard

Created by

Nancy Jackson

FREE Resource

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of the Malicious test in biochemical analysis?

To measure the pH level of a solution

To detect specific types of carbohydrates

To identify proteins in a solution

To detect the presence of carbohydrates in general

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT required for the preparation of Malicious reagent?

Alpha naphthol crystals

Volumetric flask

Benedict's solution

Analytical weighing scale

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the recommended solvent for dissolving alpha naphthol in the preparation of Malicious reagent?

95% ethanol

Distilled water

Hydrochloric acid

Acetone

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of rinsing the beaker, stirring rod, and funnel during the preparation of Malicious reagent?

To clean the equipment for future use

To increase the volume of the solution

To ensure complete transfer of the reagent

To dilute the solution

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the shortcut method mentioned for preparing the Malicious reagent?

Skipping the weighing step

Dissolving alpha naphthol directly in 100 ml of solvent

Heating the solution

Using a different solvent