Page 2 - COMPOSITION AND PROPERTIES OF AIR
P. 2

i)burning

               ii)respiration
               iii)photosynthesis



               a) Only i and ii

               b) Only ii and iii


               c) Only i and iii


               d) All i, ii, iii


               IV)     Air
                 a.  has weight

                 b.  occupies space
                 c.  both a and b
                 d.  none of these





               SUBJECTIVE QUESTIONS


               I)      Observe the  picture and answer the
                       given questions:
                       a) What is stopping the water from falling

                       from the glass?
                       b) Which property of air does this

                       experiment show?





               II)     The pie chart shows the composition of air.



                       A) What do x and y represent?



                       B) How do X and Y help plants?
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