CHEM120 ACTUAL TEST PAPER 2026
SOLVED QUESTIONS GRADED A+
⩥scientific method. Answer: ways of learning that emphasizes
observation and experimentation (self correcting)
⩥observation. Answer: we go out in nature and ask questions we
measure or observe some aspect of nature
⩥hypothesis. Answer: tentative interpretation of an observation
⩥law. Answer: summarizes a large number of observations
⩥theory. Answer: model that explains and gives underlying causes for
observation
⩥imprecise. Answer: quick and easy like color
⩥precise. Answer: measuring and proving like numbers
⩥scientific notation. Answer: 1x10^6
, ⩥significant figures. Answer: indicates how good or bad a measurement
is
⩥all non zeros are. Answer: significant
⩥interior zeros. Answer: significant
⩥trailing zeros before a decimal place. Answer: significant
⩥trailing zeros after decimal place. Answer: significant
⩥16.5400. Answer: 6 sig figs
⩥130.. Answer: 3 sig figs
⩥5003. Answer: 4 sig figs
⩥exact numbers. Answer: unlimited sig figs
⩥3. Answer: unlimited sig figs
SOLVED QUESTIONS GRADED A+
⩥scientific method. Answer: ways of learning that emphasizes
observation and experimentation (self correcting)
⩥observation. Answer: we go out in nature and ask questions we
measure or observe some aspect of nature
⩥hypothesis. Answer: tentative interpretation of an observation
⩥law. Answer: summarizes a large number of observations
⩥theory. Answer: model that explains and gives underlying causes for
observation
⩥imprecise. Answer: quick and easy like color
⩥precise. Answer: measuring and proving like numbers
⩥scientific notation. Answer: 1x10^6
, ⩥significant figures. Answer: indicates how good or bad a measurement
is
⩥all non zeros are. Answer: significant
⩥interior zeros. Answer: significant
⩥trailing zeros before a decimal place. Answer: significant
⩥trailing zeros after decimal place. Answer: significant
⩥16.5400. Answer: 6 sig figs
⩥130.. Answer: 3 sig figs
⩥5003. Answer: 4 sig figs
⩥exact numbers. Answer: unlimited sig figs
⩥3. Answer: unlimited sig figs
