PDF chapter test TRY NOW
Read the statement and select the correct answer:
A)
Statement 1: Nitrogen supports combustion.
Statement 2: Carbon dioxide supports combustion.
Statement 2: Carbon dioxide supports combustion.
B)
Statement 1: We can feel and see the air.
Statement 2: We can feel air but cannot see it.
Statement 2: We can feel air but cannot see it.
C)
John poured some water on a glass beaker containing a lump of dry soil. After some time, he observed some air bubbles in the soil. This is due to
Statement 1: The presence of air in the soil.
Statement 2: The presence of microorganisms.
Statement 1: The presence of air in the soil.
Statement 2: The presence of microorganisms.
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