1.A calorimeter is a device used for measuring the heat of chemical reactions or physical changes as well as heat capacity.2.When we press the dropper low pressure is created in.When we release the liquid which is already at high pressure enters into area of low pressure.4. Some common conductors are copper, aluminum, gold, and silver. Some common insulators are glass, air, plastic, rubber, and wood5.The presence of calcium ions and magnesium ions in the water makes it hard. Soft water readily forms lather with soap, but it is more difficult to form lather with hard water.6.apple,orange,strawberry,banana 7.tulsi,neem,eucalyptus8.Xero- cactus,joshua tree.hydro- lily,lotus,hydrilla
