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1
TS EAMCET 2020 (Online) 10th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

The molecular formula of metaphosphoric acid is

A

$\mathrm{H}_3 \mathrm{PO}_4$

B

$\mathrm{HPO}_3$

C

$\mathrm{H}_2 \mathrm{PO}_3$

D

$\mathrm{H}_3 \mathrm{PO}_2$

2
TS EAMCET 2020 (Online) 10th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

The final acid product obtained during the synthesis of $\mathrm{H}_2 \mathrm{SO}_4$ by contact process is

A

$\mathrm{H}_2 \mathrm{SO}_4$ (conc.)

B

$\mathrm{H}_2 \mathrm{SO}_4$ (dil.)

C

$\mathrm{H}_2 \mathrm{~S}_2 \mathrm{O}_3$

D

$\mathrm{H}_2 \mathrm{~S}_2 \mathrm{O}_7$

3
TS EAMCET 2020 (Online) 10th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following elements reacts with water?

A

C

B

Ge

C

Sn

D

Pb

4
TS EAMCET 2020 (Online) 10th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

When copper metal is treated with cold and dilute nitric acid, it forms

A

NO

B

$\mathrm{N}_2 \mathrm{O}$

C

$\mathrm{N}_2 \mathrm{O}_5$

D

$\mathrm{NO}_3$

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