Available Answers

1. 1.

   Fill in the blanks.

   1. Substances that taste sour are _____________.
   2. Most substances that taste bitter are _____________.
   3. Coffee tastes _____________ but it is acidic in nature.
   4. Turmeric is a _____________ indicator.
   5. A _____________ can be acidic, basic or neutral depending on its reactants.
2. 2.

   Write T for true or F for false statements.

   1. Baking soda is a base.
   2. Hydrochloride is a salt.
   3. Clove oil is a synthetic indicator.
   4. Ammonium hydroxide is an acid.
   5. Indicators tell us whether a substance is an acid or a base
3. 3.

   Match the following.

   Column A	Column B
   1. Methyl orange	a. salt
   2. Litmus paper	b. acid
   3. Ammonium hydroxide	c. synthetic indicator
   4. Hydrogen carbonate	d. natural indicator
   5. Ammonium chloride	f. base

    

4. 4.

   Define Acid. Give two examples.

5. 5.

   Define Base. Give two examples.

6. 6.

   Define Salt. Give two examples.