EXAM 2025 WITH MULTIPLE CHOICE OF
QUESTIONS AND DETAILED CORRECT
ANSWERS ALREADY GRADED A+ AND 100%
GUARANTEE PASS (BRAND NEW!!!!!)
What are some examples of SOPs? - CORRECT ANSWER-Titration,
Handling of chemicals, disposal of waste, qualitative analytical
tests, preparing solutions
What are risk assessments? - CORRECT ANSWER-It identifies
hazards, evaluates the risks associated with those hazards and it
determines ways to eliminate or control those risks.
What is a Hazard? - CORRECT ANSWER-When the equipment or
substance can cause harm, for example a hot plate or
hydrochloric acid
What is a risk? - CORRECT ANSWER-The harm that the hazard could
cause and the chances of it happening, for example the risk of
using a hot plate is getting burnt.
What is the independent variable? - CORRECT ANSWER-The
variables you change during an investigation.
,What is the Dependent variable? - CORRECT ANSWER-The variables
you are investigating and measure during an investigation.
What is the control variable? - CORRECT ANSWER-The variables you
keep constant during an investigation.
What should a method be? - CORRECT ANSWER-A step-by-step set of
instructions, Be logically ordered, allows you to take sensible
measurements, and allows you to test your hypothesis.
When planning your method what do you need to make sure? -
CORRECT ANSWER-That it will procedure a range of results, reliable
results, precise results, and accurate results.
What are some types of data? - CORRECT ANSWER-The data can be
continuous such as the age of plant ir number of plants. Some
data can be a mixture of numbers and names such as the
number of different types of plants found in a garden.
What data is normally displayed on a bar chart? - CORRECT
ANSWER-Continuous data. You need to make sure its a smooth
curve of best fit, and that the curve goes through or near most
of the points.
What are bar charts used for? - CORRECT ANSWER-They are used for
discrete data but can be used to compare different sets of data.
, What is the Pattern on the graph? - CORRECT ANSWER-The shape of
the graph. It is the line that goes up as time goes by but
eventually levels off
What is the trend on a graph? - CORRECT ANSWER-The relationship
between factors on the graph or in the table. The full trend is
that the volume increases as the time increases but then levels
off after a certain amount of time.
What is the sample size? - CORRECT ANSWER-The number of people
sampled in the investigation. To be confident in your
conclusions you need a large sample size to give strong
evidence.
What is Primary data? - CORRECT ANSWER-This is the data that you
have gathered for yourself through the experiments or
investigations .
What is secondary data? - CORRECT ANSWER-The data that you get
in books, scientific papers or the internet. You should compare
your primary and secondary data to draw a conclusion
How do you know if the data is anomalous? - CORRECT ANSWER-It
doesn't fit into the pattern of the other results. It does not lie
close to the line of best fit.
What can cause the anomalous data? - CORRECT ANSWER-Not
following the method correctly. inaccurate
measuring/recording and impurities.