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Edexcel | Physics 4PH0 | S 10 3 | Q2

S 10 3
2
(a)
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A student investigates a liquid X.

She adds some of the liquid to a container and then puts the container on a top-pan

electric balance.

S 10 3
2
(a) (I)
Add To Classified
1 Mark

 Name the container.

Acceptable Answers  Extra Information

measuring cylinder 

graduated cylinder

 

 

aps 

dna 

cylinder

measuring tube

beaker

measuring beaker

 

 

 

S 10 3
2
(a) (II)
Add To Classified
1 Mark

What is the volume, to the nearest 

of liquid X?

Volume =  .............................. 

Acceptable Answers  Extra Information

 

 

dna  39

 

 

S 10 3
2
(a) (III)
Add To Classified
1 Mark

 What is the reading, to the nearest gram, on the top-pan electric balance?

Reading =  .................................  g

 

Acceptable Answers  Extra Information

56 (g) 

 

 

dna  056  56.0  56.00

 

 

S 10 3
2
(b)
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Another student carries out a similar investigation but he uses liquid Y.

He records two results for volume and total mass.

He plots these results on a graph. 

S 10 3
2
(b) (I)
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2 Mark s

Draw a straight line through the points.

Use the line to find the mass, in grams, of the empty container.

Mass of container =  ...................................  g

 

Acceptable Answers  Extra Information

straight line between both points  

28(g)      

 

must use ruler/straight

edge

dop

must be intercept of

graph 

 

 

S 10 3
2
(b) (II)
Add To Classified
2 Mark s

In this investigation the density of liquid Y is given by the equation

density in 

= slope of the graph

Use the graph to calculate the density of liquid Y.

 

................................................................................................................................

 

 

density =  ........................... 

Acceptable Answers  Extra Information

 

 

ignore size of triangle 

exception

¾ = 0.75  

 

S 10 3
2
(b) (III)
Add To Classified
3 Mark s

Explain the advantages of taking more than two results.

Acceptable Answers  Extra Information

any three (1) each 

1. can plot more points

2. can draw line of best

fit/straight line rather

than curve

3. reason why two points is

unsatisfactory

4. extends the range

5. increases reliability

6. identifies anomalous

results

7. repeat or ignore anomalies

8. can see if density remains

constant

 

ignore

more accurate

can take average

ensures no anomalies 

 

 

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