1
AP EAPCET 2024 - 18th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
Lithium forms an alloy with ' $X$ '. This alloy is used to make armour plates. What is ' $X$ ' ?
A
Mg
B
Pb
C
Al
D
Cr
2
AP EAPCET 2024 - 18th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
In which of the following reaction, dilhydrogen is not evolved?
A
Oxdation of sodium borchydride with iodine.
B
Hydrolysis of boranes.
C
Heaing the adduct formed by reaction of ammoria wth dborane.
D
Burning of diborane in oxygen.
3
AP EAPCET 2024 - 18th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
Match the following.
List - I
(Bond )
List - II
(Bond enthalpy (in $\mathrm{kJ} \mathrm{mol}^{-1}$ )
A $\mathrm{Si}-\mathrm{Si}$ I 240
B $\mathrm{C}-\mathrm{C}$ II 297
C $\mathrm{Sn}-\mathrm{Sn}$ III 348
D $\mathrm{Ge}-\mathrm{Ge}$ IV 248
The correct answer is
A
$A-12, B=111, C-L, D=N$
B
$\mathrm{A}=\mathrm{II}, \mathrm{B}-\mathrm{N}, \mathrm{C}-$ III, $\mathrm{D}-1$
C
$A-11, B=11, C-D=N$
D
$\mathrm{A}-$ III, $\mathrm{B}-\mathrm{L}, \mathrm{C}, \mathrm{N}, \mathrm{D}-$ II
4
AP EAPCET 2024 - 18th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Arrange the following pestidides in the chronological order of their release into the market.

Organophosphates Organochlorides Sodium chlorate

$\quad \text { (A) } \quad\quad\quad\quad\quad\quad\quad \text { (B) } \quad\quad\quad\quad \text { (C) }$

A
B, A, C
B
B, C, A
C
C, B, A
D
A, B, C
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