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1
TS EAMCET 2020 (Online) 11th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

How many bridging oxygen atoms are present in $\mathrm{P}_4 \mathrm{O}_{10}$ ?

A

4

B

5

C

6

D

2

2
TS EAMCET 2020 (Online) 11th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Ozone is obtained from oxygen

A

by oxidation at high temperature

B

by oxidation using a catalyst

C

by silent electric discharge

D

by conversion at high pressure

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

An aqueous solution of borax is

A

neutral

B

amphoteric

C

basic

D

acidic

4
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

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

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