1
TS EAMCET 2022 (Online) 18th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following is not a mineral of fluorine?

A

Fluorspar

B

Cryolite

C

Fluoroapatite

D

Carnallite

2
TS EAMCET 2022 (Online) 18th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

The element that even can diffuse through silica glass is

A

He

B

Ar

C

Kr

D

Xe

3
TS EAMCET 2020 (Online) 14th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Pick the correct statement.

I. Borax is white crystalline solid containing $\left[\mathrm{B}_4 \mathrm{O}_5(\mathrm{OH})_4\right]^{2-}$ units.

II. Aqueous solution of borax is acidic in nature.

III. Cobalt gives blue colour in borax bead test.

A

I and II

B

I and III

C

Only II

D

II and III

4
TS EAMCET 2020 (Online) 14th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which element does not show catenation property?

A

Si

B

Ge

C

Sn

D

Pb

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