Question

A
a) Oil spill
b) Ceramic candles
) Alum
1) Bleaching powder
e) Typhoid
(i) helps the sedimentation of suspended particles in water
(ii) a water-borne disease
(iii) reduces the transmission of light through water
(iv) water filter
(v) disinfects water​

Answer 1

Answer:

I. Alum

ii. Typhoid

iii. Ceramic candles

iv. Bleaching powder

v. Oil spill

Answer 2

Answer:

a-3, b- 1 ,c-4, d-5, e-2