Chapter 1

Question 1

S.i. unit for mass

Answer 1

kg

Question 2

What is used to measure mass

Answer 2

beam balance & electronic balance

Question 3

S.i. unit for time?

Answer 3

Seconds (s)

Question 4

What is used to measure time

Answer 4

Analogue stopwatch & Digital stopwatch

Question 5

S.i. unit for temperature?

Answer 5

Kelvin (K) but Degree Celcius is more commonly used

Question 6

Conversion for Kelvin to Degree celcius?

Answer 6

1Kelvin =1 degree celcius

Question 7

Apparatus for measuring temperature?

Answer 7

Mercury / alcohol thermometer or Data logger
Thermometer accurate to 1d.p, while Data logger is more accurate & can measure temperature over long time & produce graphs

Question 8

S.i. unit for volume?

Answer 8

Cubic metre (m^3)

Question 9

Accuracy of measuring cylinders?

Answer 9

1d.p. (e.g. 10.5cm^3)

Question 10

What is the thingy with tap used to control amount of liquid you add

Answer 10

Burette

Question 11

Accuracy of the Burette?

Answer 11

2d.p. (e.g. 25.00cm^3)

Question 12

What is the appartus with the thick part in thr middle of the tube

Answer 12

Pipette

Question 13

Accuracy of the Pipette?

Answer 13

1 d.p. (e.g. 25.0cm^3)

Question 14

Accuracy of the Pipette?

Answer 14

1 d.p. (e.g. 25.0cm^3)

Question 15

Difference between pipette and burette

Answer 15

Burette measures any volume & allows control of addition, while Pipette meausres only fixed volume indicated on it

Question 16

Displacement of water is used to collect what type of gases

Answer 16

Insoluble gases

Question 17

Downward delivery is used for what kind of gases?

Answer 17

Gases that are denser than air and soluble in water

Question 18

What gases are collected using the method of upward delivery

Answer 18

Gases that are less dense than air and soluble in water

Question 19

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