1
MHT CET 2024 16th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

What products are obtained when beryllium oxide is treated separately with aq. HCl and aq. NaOH solutions respectively?

A
$\mathrm{BeCl}_2$ and $\mathrm{Be}(\mathrm{OH})_2$
B
$\mathrm{BeCl}_2$ and $\mathrm{Na}_2 \mathrm{BeO}_4$
C
$\mathrm{Be}(\mathrm{OH})_2$ and $\mathrm{BeCl}_2$
D
$\mathrm{BeCl}_2$ and $\mathrm{Na}_2 \mathrm{BeO}_2$
2
MHT CET 2024 16th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate internal energy change of a system if work done by the system is 8 J and heat supplied to it is 40 J .

A
$-48$ J
B
$-40$ J
C
32 J
D
24 J
3
MHT CET 2024 16th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify basic oxide from following.

A
$\mathrm{SO}_3$
B
NO
C
$\mathrm{Al}_2 \mathrm{O}_3$
D
CaO
4
MHT CET 2024 16th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the solubility product of sparingly soluble salt BA at $27^{\circ} \mathrm{C}$ if its solubility is $1.8 \times 10^{-5} \mathrm{~mol} \mathrm{dm}^{-3}$ at same temperature.

A
$3.24 \times 10^{-10}$
B
$2.44 \times 10^{-10}$
C
$1.64 \times 10^{-10}$
D
$4.00 \times 10^{-10}$
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