When lead is present in water, it ? 1)changes its colour 2)causes turbidity 3)causes alkalinity 4)none of these

With respect to the constituents causing alkalinity in water, which of the following situation never arises?

What does turbidity measure?Group of answer choicesThe toxicity of the waterThe clarity of the waterThe temperature of the waterThe salinity of the water

Alkali metals react with water. Which two products are formed?

What are three important metals to test for in drinking water? (Select all that apply.)Group of answer choicesNickelLeadCopperThalliumArsenic

Why is lead dangerous in the environment? (select all that apply)Group of answer choicesit is a respiratory irritant particularly to those with asthmait is a neurotoxin to humansit causes acid rainit can bioaccumulate