Page 2 - Chapter 07
P. 2
 Invert a test-tube, filled with water, on the funnel neck.

 Place the apparatus in sunlight for few hours for photosynthesis.

‘ Bring out the test tube from funnel (by putting your thumb on its
mouth).

’ Test for the presence of oxygen in the test tube by using a glowing
match stick.

Record your observation after the experiment.

Observations S.No. Change in the inverted test tube

1.

2.

3.

Conclusions

75
   1   2   3   4   5   6   7