When the temperature is increased, surface tension of water

Define surface tension.

As the temperature is increased, the time period of a pendulum

How do detergents change surface tension of water?

What is surface tension? What is the effect of temperature on surface tension ?

The temperature of an ideal gas increases in an:

Temperature coefficient of a reaction is ‘2. When temperature is increased from 30^@C to 90^@C , the rate of reaction is increased by

Surface tension depends on