1
TG EAPCET 2025 (Online) 3rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0
How many of the following metals give oxides and nitrides when burnt in air?
Be, Na, Mg, Ba, Sr, Li, K
2
TG EAPCET 2025 (Online) 3rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0
Identify the incorrect order against the property given in brackets
3
TG EAPCET 2025 (Online) 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0
$$ \text { Match the following. } $$
| $$ \text { List I (Reactions) } $$ |
$$ \text { List II (Methods) } $$ |
||
|---|---|---|---|
| (A) | $$ \begin{aligned} \mathrm{Mg}\left(\mathrm{HCO}_3\right)_2 \longrightarrow \mathrm{Mg}(\mathrm{OH})_2 \downarrow & +2 \mathrm{CO}_2 \uparrow \end{aligned} $$ |
(I) | Clark's method |
| (B) | $$ \begin{array}{r} M^{2+}+\mathrm{Na}_4 \mathrm{P}_6 \mathrm{O}_{18}^{2-} \longrightarrow\left[\mathrm{Na}_2 \mathrm{MP}_6 \mathrm{O}_{18}\right]^{2-} +2 \mathrm{Na}^{+} \end{array} $$ |
(II) | Ion exchange method |
| (C) | $$ \begin{aligned} \mathrm{Ca}\left(\mathrm{HCO}_3\right)_2 & +\mathrm{Ca}(\mathrm{OH})_2 \longrightarrow 2 \mathrm{CaCO}_3+2 \mathrm{H}_2 \mathrm{O} \end{aligned} $$ |
(III) | Boiling |
| (D) | $$ \begin{gathered} 2 \mathrm{NaZ}+\mathrm{Ca}^{2+}(\mathrm{aq}) \longrightarrow 2 \mathrm{Na}^{+}+\mathrm{CaZ} (\mathrm{Z}=\text { Zeolite }) \end{gathered} $$ |
(IV) | Calgon's method |
The correct answer is
4
TG EAPCET 2025 (Online) 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0
Observe the following statements.
Statement I Both LiF and CsI have low solubility in water.
Statement II Low solubility of LiF in water is due to smaller hydration enthalpy of ions and that of CsI is due to its high lattice enthalpy.
The correct answer is
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