Question

Fill in the blanks:

1. When an ant bites it injects ........... into the skin. 

2. Our stomach contains..........

3. When soil is acidic, it is treated with ...................

4. If the soil is basic organic matter.........is added to it. 

5. China rose indicator turns acidic solutions to dark .............and basic solutions to green.

Answer 1

1. When an ant bites it injects formic acid into the skin. 

2. Our stomach contains hydrochloric. 

3. When soil is acidic, it is treated with quick lime (calcium oxide. 

4. If the soil is basic organic matter compost is added to it. 

5. China rose indicator turns acidic solutions to dark pink (majenta) and basic solutions to green.