Write the names of Important lakes in and around chennai.

Write the name of two important ores of aluminum.

Write the name of four important aspects of ecosystem.

Write the names of the important ores of aluminium. Discuss the principle of extraction of metal from its ore.

Write the importance of lakes.

Write the names of any two important physiological processes occurring in organism.

Colligative properties are properties of solution which depends on the number of solute particles in the solution. Write the name of four important colligative properties.

Write names of two important minerals of phosphorus.

Animal Husbandry : Write the names and importance of by-products obtained through fishery.