1.
A student takes about 2 ml. ethanoic acid in a dry test tube and adds a pinch of sodium hydrogen carbonate to it. He reports the following observations: (I) Immediately a colourless and odourless gas evolves with a brisk effervescence (II) The gas burns lime water milky when passed through it (III) The gas burns with an explosion when a burning splinter is brought near it (IV) The gas extinguishes the burning splinter that is brought near it The correct observations are:
2.
A student takes sodium hydrogen carbonate powder in a test tube and pours 4-5 drops of acetic acid over it. He observes:
3.
Oils on treating with hydrogen in the presence of palladium or nickel catalyst form fats. This is an example of:
4.
A student adds 4 ml. of acetic acid to a test tube containing 4 ml, of distilled water. He then shakes the test tube and leaves it to settle. After about 10 minutes he observes
6.
In an experiment to study the properties of ethanoic acid, a student takes about 3 mL of ethanoic acid in a dry test tube. He adds an equal amount of distilled water to it and shakes the test tube well. After some time he is likely to observe that;
7.
Which of the following observations is true about dilute solution of acetic acid?
8.
Select the correct observation about dilute solution of acetic acid.
9.
Read the question given below
10.
In which of the following compounds, - OH is the functional group?
