1
TS EAMCET 2020 (Online) 14th September Evening Shift
MCQ (Single Correct Answer)
+1
-0
Phosphine is prepared by the reaction of $\mathrm{P}_4$ with which of the following?
2
TS EAMCET 2020 (Online) 14th September Evening Shift
MCQ (Single Correct Answer)
+1
-0
The most stable form of sulphur allotrope is
3
TS EAMCET 2020 (Online) 14th September Morning Shift
MCQ (Single Correct Answer)
+1
-0
Find the element, which displays greater ability to form $p \pi-p \pi$ multiple bonds to itself and to other elements in the same block.
4
TS EAMCET 2020 (Online) 14th September Morning Shift
MCQ (Single Correct Answer)
+1
-0
$$ \text { Match the following : } $$
| $$ \begin{gathered} \text { List-I } \\ \text { (Compounds) } \end{gathered} $$ |
$$ \begin{gathered} \text { List-II } \\ \text { (Uses) } \end{gathered} $$ |
||
|---|---|---|---|
| A. | Boron-10 | I. | Antiseptic |
| B. | Borax | II. | Bullet proof vest |
| C. | Boron-fibre | III. | Neutron absorber |
| D. | Orthoboric-acid | IV. | Heat resistance glasses |
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