Fluorosis is caused due to the presence of excessive amount of __________ in drinking water.?

Mercury
Lead
Fluoride
Arsenic

LohaHridoy

4 views

2025-01-04 04:42

1 Answers

AhmedNazir

Answer: Option 3

4 views Answered 2022-09-01 13:21

Related Questions

Rocks formed due to alteration of original structure due to heat and excessive pressure are called?

1 Answers 5 Views

The amount of coagulant needed for coagulation of water increases with (i) Increase in turbidity of water (ii) Decrease in turbidity of water (iii) Increase in temperature of water (iv) Decrease in temperature of waterThe correct answer is?

1 Answers 5 Views

Liquor poisoning generally occurs due to the presence of __________ in it.?

1 Answers 4 Views

In the converter of the contact process for the manufacture of H₂SO₄ the equilibrium conversion of SO₂ __________ (i) __________ with increase in temperature and __________ (ii) __________ with increase in the mole ratio of SO₂ to air.?

1 Answers 6 Views

Fluorosis (a bone disease) is caused by the presence of high concentration of __________ in atmospheric air.?

1 Answers 4 Views

Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure to human beings. Ozone layer depletion in the atmosphere is mainly caused by the presence of?

1 Answers 4 Views

Presence of bacteria in potable (drinking) water causes?

1 Answers 4 Views

TLV of mercury in potable (drinking) water is about __________ ppm.?

1 Answers 4 Views

For classification of potable (drinking) water, we use a __________ filter.?

1 Answers 4 Views

Presence of a small amount of water in the organic systems can be determined by the __________ method.?

1 Answers 6 Views

এক্সাম দিয়ে মেধা যাচাই করুন

Job Preparation (1125)

Admission (754)

এসএসসি (10)

এইচএসসি (5)