You are asked to find out the acids present in the substances? placed in front of you. Write the names of the acids present in them by collecting information from any source available to you. Substances placed in front of you : Apples, Tea, Olive oil and fats.

Grapes, Palm oil, Amla (emblica fruit) and Urine are put before you. You are asked to give the information about the acids that are present in those substances. Collect the information and record in a table.

What acids are present in the following substances ? Collect the information and write: Substances: Vinegar, Lemon or orange, State cheese Buttered milk or curd, Spinach or Tomato.

Recall the names of the some of the laboratory acids and bases that you know. Write down their names in and identify metal/non-metal present in them, which form oxides when react with oxygen. Take the help of your teacher.

Can you write the chemical equation of the reaction taking place zinc with dilute sulphuric acid?

In table-3 write the names of the organisms in the appropriate box according to where i they can be found. You could put the name of one organism in more than one column. If you put the organism in the colon in 'some other place', try to mention the place where you could find it.Some examples are filled in to help you. Copy the table 3 in your notebook. Try to enhance the list as much as you can. How many organisms are present in more than one column? Why did you place them here?

In table-3 write the names of the organisms in the appropriate box according to where i they can be found. You could put the name of one organism in more than one column. If you put the organism in the colon in 'some other place', try to mention the place where you could find it.Some examples are filled in to help you. Copy the table 3 in your notebook. Try to enhance the list as much as you can. In which column will you put a frog?

In table-3 write the names of the organisms in the appropriate box according to where i they can be found. You could put the name of one organism in more than one column. If you put the organism in the colon in 'some other place', try to mention the place where you could find it.Some examples are filled in to help you. Copy the table 3 in your notebook. Try to enhance the list as much as you can.