You spill a bucket of soapy water on a marble floor accidently. Would it make it easier or more difficult for you to walk on the floor? Why ?

You are a member of the municipal body of your town. Make a list of measures that would help your town to ensure the supply of clear water to all its residents.

One day in the morning, Ramesh filled up 1/3 bucket of hot water from geyser, to take bath. Remaining 2.3 was to be filled by cold water (at room temperature) to bring mixture to a comfortable temperature. Suddenly Ramesh had to attend to something which would take some time say 5 - 10 minutes before he could take bath. Now the he had two options: (i) fill the remaining bucket completely by cold water and then attend to the work, (ii) first attend to the work and fill the remaining bucket just before taking bath. Which option do you think would have kept water warmer ? Explain.

Name two metals which react violently with cold water. Write any three observtations you would make when such a metals is dropped into water. How would you identify the gas evolved if any, during the reaction?

Name the forces acting on a plastic bucket containing water held above ground level in you hand. Discuss why the forces acting on the bucket do not bring a change in its state of motion.

Lemonade is prepared by mixing lemon juice and sugar in water.You wish to add ice to cool it.should you add ice to the lemnade before or after dissolving sugar ?In which case would it be possible to dissolve more sugar ?