A. wheelbarrow being pushed
B. car traveling on a straight line
C. Gas molecules colliding in a flask
D. Planets going round the sun

Correct Answer:

Option C – Gas molecules colliding in a flask

SEE ALSO  Equal amounts of marble chips are reacted separately with 100cm3 of hydrochloric acid of different concentrations . if all the marble chips reacted, which of the following remained the same in each case?

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