Living Science Workbook 2A ans

P.1
A.1 noble gases
2 relights
3 yellow
4 Cobalt Chloride | pink
5 higher

B.1C 2B 3C 4C 5D

C.1a Oxygen
b Carbon dioxide
c more brighty
d gas a: chages colour from red to purple
gas b: chages colour from red to yellow
gas c: remains red

我想要1Ball添啦，但系无人会理我（原谅打了简体字

我得中.冇英==

我比D MC你..

7.1 B part

1 a
2 b
3 c
4 c
5 d

7.2 B part

1 d
2 a
3 a
4 d
5 b
6 d
7 c

希望幫到你..