Question

Match List I with List II

List I Pollutant		List II Disease /sickness
A	Sulphate (>500 ppm)	I	Methemoglobinemia
B	Nitrate (>50 ppm)	II	Brown mottling ofteeth
C	Lead (> 50 ppb)	III	Laxative effect
D	Fluoride (>2 ppm)iv . Kidney damage	IV	Chemical factory

Choose the correct answer from the options given below:

• A. A-IV, B -I, C-II, D-III
• B. A-III, B -I, C-IV, D-II
• C. A-II, B -IV, C-I, D-III
• D. A-II, B -IV, C-III, D-I

Answer 1

Answer: (B)

A. Sulphate ( $>500\, ppm )$ - Causes Laxative effect that leads to dehydration
B. Nitrate ( $>50\, ppm )$ - Causes
Methemoglobinemia, skin appears blue
C. Lead $(>50 \,ppb)$ - It damage kidney and RBC
D. Fluoride ( $>2 \,ppm )$ - It Causes Brown mottling of teeth