MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

The 1830 Revolt in France to Establish Constitutional Monarchy

Some sugar so...

Question

Some sugar solution is taken in a test-tube and a little of substance X in powder form is added to it. The mouth of the test-tube is closed with a cork and allowed to stand for sometime. On opening the cork, a characteristic smell of substance Y is obtained and a gas Z is also observed to be formed. The gas Z extinguishes a burning matchstick.

(c) What type of respiration is exhibited by X in the above process?

Open in App

Solution

Answer:

Anaerobic respiration is exhibited by X (yeast) in the above process. In this process, the glucose is incompletely oxidised into ethanol and carbon dioxide in the absence of oxygen. A small amount of energy is also released here.

Suggest Corrections

thumbs-up

0

Similar questions

Q. Some sugar solution is taken in a test-tube and a little of substance X in powder form is added to it. The mouth of test-tube is closed with a cork and allowed to stand for sometime. On opening the cork, a characteristic smell of substance Y is obtained and a gas Z is also observed to be formed. The gas Z extinguishes a burning matchstick.
(a) What could be (i) X, (ii) Y, and (iii) Z?
(b) What is the process of converting sugar into substance Y by the action of X known as?
(c) What type of respiration is exhibited by X in the above process?

Q. While working in a chemistry laboratory, a student took some zinc granules in a test-tube and added a liquid X to it. A gas Y was produced. When a burning matchstick was brought near the mouth of the test-tube, the gas Y burns with a 'pop' sound, making a little explosion.
(a) What could the liquid X be?
(b) Name the gas Y.
(c) State two properties of gas Y.

Q. A small piece of sodium metal is added to a neutral organic liquid, taken in a dry test-tube. Bubbles of a gas are produced in the test-tube. When a burning match-stick is brought near the mouth of the test-tube, the gas burns with a 'pop' sound, making a little explosion.
(a) Name the functional group present in the organic liquid.
(b) Write the name and formula of an organic liquid having this functional group.

Q. Iron powder and sulphur powder were mixed together and divided into two parts A and B. When part A was heated strongly over a burner, then a substance C was formed. The part B was, however, not heated at all. When dilute hydrochloric acid was added to substance C, then gas D was evolved and when dilute hydrochloric acid was added to part B then gas E was evolved.

(a) What type of substance is B ?
(b) What type of substance is C ?
(c) Name the gas (i) D, and (ii) E ?
(d) State one characteristic property of gas D.
(e) Write one test to identify gas .E

Q. Some sugar solution is taken in a test-tube and a little of substance X in powder form is added to it. The mouth of the test-tube is closed with a cork and allowed to stand for sometime. On opening the cork, a characteristic smell of substance Y is obtained and a gas Z is also observed to be formed. The gas Z extinguishes a burning matchstick.

(a) What could be (i) X, (ii) Y, and (iii) Z?

View More

Join BYJU'S Learning Program

explore_more_icon

Explore more

The 1830 Revolt in France to Establish Constitutional Monarchy

Standard X History

Join BYJU'S Learning Program

CrossIcon