PDF chapter test TRY NOW
Read the statement and select the correct answer:
A)
Statement 1: Air is mainly composed of hydrogen and helium.
Statement 2: The primary constituent of air is nitrogen and helium.
Statement 2: The primary constituent of air is nitrogen and helium.
B)
Statement 1: A firki cannot rotate in a closed room.
Statement 2: A firki cannot rotate in an open room.
Statement 2: A firki cannot rotate in an open room.
C)
Statement 1: Air does not help in playing the flute.
Statement 2: Air plays a vital role in playing the flute and harmonium.
Statement 2: Air plays a vital role in playing the flute and harmonium.
