Test for Starch, Sugar, Protein and Fat

IMPORTANT

Test for Starch, Sugar, Protein and Fat: Overview

In this topic, we will study the tests for starch, sugar, protein and fat with their procedure, observations and inferences. It discusses the methods to detect starch, sugar, protein and fat respectively from a mixture.

Important Questions on Test for Starch, Sugar, Protein and Fat

MEDIUM
IMPORTANT

Which of the following is a test for glucose?

MEDIUM
IMPORTANT

Mention the constituents of food if the end result of the test shows blue-green to deep red with the appearance of a precipitate when added to Fehling solution.

MEDIUM
IMPORTANT

Mention the constituents of food if the end result of the test shows turning blue-black after adding iodine solution.

EASY
IMPORTANT

Mention the constituent of food if the end result of the test shows white to yellow and yellow to orange colour (after adding ammonium hydroxide)?

EASY
IMPORTANT

The presence of nutrients in the food can be tested. Benedict's test is used to detect:

EASY
IMPORTANT

Which one of the following nutrients includes both as simple sugars (monosaccharides)?

MEDIUM
IMPORTANT

Benedict's test is used to determine the presence of reducing sugars.

MEDIUM
IMPORTANT

The xanthoproteic reaction is a method that can be used to detect the presence of proteins in a solution.

EASY
IMPORTANT

Which of the following substance forms a brick red precipitate when it reacts with Benedict's solution?

MEDIUM
IMPORTANT

What is Benedict’s reagent?

MEDIUM
IMPORTANT

List some substances that give positive results for Benedict’s test.

EASY
IMPORTANT

Which chemical is used as the oxidising agent in Benedict's solution?

EASY
IMPORTANT

The test for _____ is also known as the benedict's test.