Environmental Chemistry · Chemistry · AP EAPCET

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MCQ (Single Correct Answer)

1
An metal catalyst $(X)$ is used in the catalytic converter of automobiles. This prevents the release of gas $Y$ into the atmosphere. What are $X$ and $Y$ respectively?
AP EAPCET 2024 - 20th May Evening Shift
2

$$ \text { Match the following. } $$

List-I
F-ion concentration in drinking water)
List-II
(Effects on humans)
A $$
\text { <1 ppm }
$$
I $$
\text { Harmful to bones }
$$
B $$
>2 \mathrm{ppm}
$$
II $$
\text { Tooth decay }
$$
C $$
>10 \mathrm{ppm}
$$
III $$
\text { Brown mottling of teeth }
$$
$$ \text { Correct answer is } $$
AP EAPCET 2024 - 20th May Morning Shift
3

Arrange the following pestidides in the chronological order of their release into the market.

Organophosphates Organochlorides Sodium chlorate

$\quad \text { (A) } \quad\quad\quad\quad\quad\quad\quad \text { (B) } \quad\quad\quad\quad \text { (C) }$

AP EAPCET 2024 - 18th May Morning Shift
4

Which among the following is not a greenhouse gas?

AP EAPCET 2021 - 20th August Morning Shift
5

Which among the following has the highest concentration of PAN?

AP EAPCET 2021 - 19th August Evening Shift
6

Green chemistry refers to reactions which

AP EAPCET 2021 - 19th August Morning Shift
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