1.
Read the question given below
2.
Which of the following observations is true about dilute solution of acetic acid?
3.
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;
4.
Oils on treating with hydrogen in the presence of palladium or nickel catalyst form fats. This is an example of:
5.
A student takes sodium hydrogen carbonate powder in a test tube and pours 4-5 drops of acetic acid over it. He observes:
6.
In which of the following compounds, - OH is the functional group?
7.
Select the correct observation about dilute solution of acetic acid.
8.
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:
9.
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
