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Tabulation ofdatafor experiment 21

Alcohol Methanol Ethanol Propan-1-ol Butan-1-ol

Initial temperature (C)

Highest temperature (C)

Rise in temperatureofwater (C)

Mass ofspirit lampbeforeburning (g)

Mass ofspirit lampafter burning (g)

Mass ofalcoholburnt (g)

Tabulation ofdatafor experiment 20

Test tube Pair ofmetals Intensity ofthebluecolour in the solution Intensity ofpink colour in the solution inference

A Fe

B Fe + Zn

C Fe + Cu

D Fe + Mg

E Fe + Sn

Tabulation ofdatafor experiment 19

Typeofrubber Unvulcanised rubber Vulcanised rubber

Initiallength (cm)

Stretchedlength (cm)Increase in length (cm)

Lengthafter removalofweight (cm)

Difference in length (cm)

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Tabulation ofdatafor experiment 18

Time (s)Burette reading (cm

3)

Volumeofhydrogen

gas (cm3)

Tabulation ofdatafor experiment 17

Set Temperature (C) Time, t(s) 1/time (s

-1

)I.II.

III.IV.V.