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(a)
State any two laboratory safety rules.
121
(b)
State any two materials that can be used for fire fighting in the
laboratory.
[2]
10
(c)
(i)
Describe how waste chemicals can be properly disposed off in
a laboratory.
(ii)
any
State other two methods of disposing litter.
[2]
(iii)
State one disadvantage for each method stated in (ii).
[2]
22
[2]