1
MHT CET 2026 13th April Evening Shift
MCQ (Single Correct Answer)
+1
-0
Identify the elements of alkali metals and alkaline earth metals respectively having highest 1st ionization enthalpy.
A
$\text{K}$ and $\text{Ca}$
B
$\text{Li}$ and $\text{Be}$
C
$\text{Rb}$ and $\text{Ba}$
D
$\text{K}$ and $\text{Sr}$
2
MHT CET 2026 13th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
Identify the cation present in chlorophyll in green plants.
A
$\text{Mg}^{2+}$
B
$\text{Ca}^{2+}$
C
$\text{Fr}^+$
D
$\text{Na}^+$
3
MHT CET 2026 11th April Evening Shift
MCQ (Single Correct Answer)
+1
-0
Which alkaline earth metal carbonate decomposes most easily?
A
$\text{MgCO}_3$
B
$\text{CaCO}_3$
C
$\text{SrCO}_3$
D
$\text{BaCO}_3$
4
MHT CET 2026 11th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
Which of the following is obtained when dihydrogen reacts with the alkali metals at high temperature?
A
Alkoxides
B
Metal hydrides
C
Peroxides
D
Metal nitrites

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