Advertisements
Advertisements
Question
Identify the term or substance based on the descriptions given below:
Hydrocarbon containing a triple bond used for welding purposes
Advertisements
Solution
Acetylene
APPEARS IN
RELATED QUESTIONS
When you add about 2 ml of acetic acid to a test tube containing an equal amount of distilled water and leave the test tube to settle after shaking its contents, what will you observe in the test tube after about 5 minutes?
(A) A white precipitate settling at its bottom
(B) A clear colourless solution
(C) A layer of water over the layer of acetic acid
(D) A layer of acetic acid over the layer of water
While studying saponification reaction for the preparation of soap, a teacher suggested to a student to add a small quantity of common salt to the reaction mixture. The function of common salt in this reaction is to
(A) reduce the alkalinity of the soap
(B) reduce the acidity of the soap
(C) enhance the cleansing capacity of soap
(D) favour precipitation of soap
Complete the following chemical equations :CH3COOH+NaOH→
Name the gas evolved when ethanoic acid is added to sodium carbonate. How would you prove the presence of this gas?
propanol into propanoic acid?
Name the process in each case and write the equations of the reactions involved.
What is an oxidising agent?
What do you notice when acetic acid reacts with alkalies?
What do you observe when acetic acid is added to a neutral FeCl3 solution?
Bubbles are seen in the test tube during the preparation of lime water.
