Teachoo Quiz

Short Quiz

Chapter 4 Class 10 - Carbon and its Compounds | 5 questions | about 4 minutes

Attempt time 0:00
This question 0:00
Question 1 of 5
Advertisement
Question 1 of 5
When sodium hydrogen carbonate is added to ethanoic acid a gas evolves. Consider the following statements about the gas evolved.
(i) It turns lime water milky.
(ii) It is evolved with a brisk effervescence.
(iii) It has a smell of burning Sulphur.
(iv) It is also a by-product of respiration.

The correct statements are:
Select an option to see the answer, or skip this question.
Question 2 of 5
Ethane, with the molecular formula \(\mathrm{C}_2 \mathrm{H}_6\) has
Select an option to see the answer, or skip this question.
Question 3 of 5
While studying the saponification reaction, what do you observe when you mix an equal amount of colourless vegetable oil and 20\% aqueous solution of NaOH in a beaker?
Select an option to see the answer, or skip this question.
Question 4 of 5
When you add a few drops of acetic acid to a test-tube containing sodium bicarbonate powder, which one of the following is your observation?
Select an option to see the answer, or skip this question.
Question 5 of 5
While cooking, if the bottom of the vessel is getting blackened on the outside, it means that:
Select an option to see the answer, or skip this question.
Stuck? Keep your progress moving.