1
TG EAPCET 2025 (Online) 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

In drinking water, if the maximum prescribed concentration of copper is $x \mathrm{mgdm}^{-3}$, the maximum prescribed concentration of zinc will be

A

$\frac{15}{x}$

B

$\frac{x}{15}$

C

$\frac{6}{10} x$

D

$\frac{5}{6} x$

2
TG EAPCET 2025 (Online) 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify the correct statements from the following

I. Photochemical smog has high concentration of oxidising agents.

II. $\mathrm{NO}_2$ is present in classical smog.

III. Higher concentration of $\mathrm{SO}_2$ in air can cause stiffness of flower buds.

IV. pH of rain water is approximately 7.5 .

A

I and III

B

I and II

C

III and IV

D

II and III

3
TG EAPCET 2025 (Online) 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Among the following compounds, which one is not primarily responsible for depletion of ozone layer in stratosphere?

A

NO

B

$\mathrm{CF}_2 \mathrm{Cl}_2$

C

$\mathrm{CH}_4$

D

$\mathrm{Cl}_2$

4
TG EAPCET 2024 (Online) 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
Eutrophication can lead to
A
decrease in nutrients
B
increase in dissolved salts
C
decrease in dissolved oxygen
D
decrease in water pollution

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