# With increase in temperature, the surface tension of water _____________________?

**With increase in temperature, the surface tension of water _____________________?**

A. Increases

**B. Decreases (Correct)**

C. Remain constant

D. Increases linearly

Answering Exams

A. Increases

**B. Decreases (Correct)**

C. Remain constant

D. Increases linearly

- An iceberg is floating in sea. How much of its mass will remain above the surface of water?
- Moist sand may contain surface water by mass upto__________________?
- Oysters can do what – according to water temperature?
- Surface area of a sphere is 2464 cm2. If its radius is doubled, then the surface area of _________?the new sphere will be
- The population of a city increases at the rate of 4% p.a. but there is an additional annual increase of 1% in the population due to some job seekers. The percentage increase in the population after 2 years is_________?
- The stage of river carrying a discharge of Q m7sec at a point is 10 m and slope of water surface is (1/4000). The discharge of a flood at the same point and same stage of 10 m with a water surface slope of(l/1000) will be________________?
- The thermal efficiency of a simple gas turbine for a given turbine inlet temperature with increase in pressure ratio_____________________?
- The wearing away of the land surface by wind, water, ice or other geological agents is called____________________?
- Thermal pollution of water increases its toxicity and oxidation of oxygen demanding waste besides favouring bacterial growth. A rise in water temperature by 10°C, doubles the toxic effects of _____________ present in it?
- Working principle of mercury in glass thermometer is based on the ______________ of mercury with increase in temperature?

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