Question : Which of the following statements is not correct about surface tension?

Option 1: Surface tension is typically measured in dynes cm.

Option 2: The shape of the water drop is spherical due to surface tension.

Option 3: At room temperature, the surface tension of water is less than ethyl alcohol.

Option 4: The cohesive forces between liquid molecules are responsible for the phenomenon known as surface tension.

Question : Alcohol is more volatile than water because ________ is lower than water.

Option 1: its boiling point

Option 2: its density

Option 3: its viscosity

Option 4: its surface tension

Question : A vessel contained a solution of acid and water, in which water was 64%. Four litres of the solution was taken out of the vessel and the same quantity of water was added. If the resulting solution contains 30% acid, the quantity (in litres) of the water in the solution, at the beginning of the vessel, was:

Option 1: 11.36

Option 2: 15.36

Option 3: 8.64

Option 4: 12.64

Question : Select the most appropriate ANTONYM of the word 'SINKS' from the given sentence.

Groups work together to create Christmas parade themes, which are then carried out in floats, musical groups, and strolling figures.

Option 1: Floats

Option 2: Create

Option 3: Parade

Option 4: Strolling

Question : Name the process by which bubbles from liquid are formed?

Option 1: Effervescence

Option 2: Surface tension

Option 3: Surface energy

Option 4: Degasification