Fill in the blanks:
$(1)$ Deficiency of fluoride is responsible for ............. .
$(2)$ The upper limit of lead concentration in drinking water is ............. .
$(3)$ The maximum limit of nitrate in drinking water is ............. .
$(4)$ ............. and ............. chemicals act as poisons for the nervous system.
$(1)$ Deficiency of fluoride is responsible for ............. .
$(2)$ The upper limit of lead concentration in drinking water is ............. .
$(3)$ The maximum limit of nitrate in drinking water is ............. .
$(4)$ ............. and ............. chemicals act as poisons for the nervous system.
(N/A) $(1)$ Tooth decay (dental caries)
$(2)$ $50 \ ppb$
$(3)$ $50 \ ppm$
$(4)$ Organophosphates,Carbamates
$(2)$ $50 \ ppb$
$(3)$ $50 \ ppm$
$(4)$ Organophosphates,Carbamates
Explore More
Similar Questions
Mention the type of pollutants of tropospheric pollution.
Easy
View SolutionWhat is green fuel?
Easy
View SolutionWhat are $X$ and $Y$ in the following reaction?
$CF_2Cl_2 \stackrel{UV}{\longrightarrow} X + Y$
$CF_2Cl_2 \stackrel{UV}{\longrightarrow} X + Y$
Methane in polluted air reacts with ozone to form which of the following compounds?
What would have happened if the greenhouse gases were totally missing in the earth's atmosphere? Discuss.
Medium
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo