1
MHT CET 2025 21st April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the product when magnesium burns in air.

A
MgO only
B
$\mathrm{Mg}_3 \mathrm{~N}_2$ only
C
$\quad \mathrm{Mg}_2 \mathrm{NO}_3$
D
$\quad \mathrm{MgO}$ and $\mathrm{Mg}_3 \mathrm{~N}_2$
2
MHT CET 2025 20th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following compound is used for preparation of quicklime?

A
Caustic soda
B
Sodium carbonate
C
Calcium carbonate
D
Magnesium carbonate
3
MHT CET 2025 20th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following set of elements is present in apatite?

A
$\mathrm{Mg}, \mathrm{P}$ and S
B
$\mathrm{Ca}, \mathrm{P}$ and O
C
$\mathrm{Al}, \mathrm{Mg}$ and P
D
$\mathrm{Ca}, \mathrm{S}$ and O
4
MHT CET 2025 19th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
What are the products formed when $\mathrm{Li}_2 \mathrm{CO}_3$ undergoes decomposition?
A
$\mathrm{Li}_2 \mathrm{O}+\mathrm{CO}_2$
B
$\mathrm{LiO}+\mathrm{CO}_2$
C
$\mathrm{LiC}+\mathrm{CO}_2$
D
$\mathrm{Li}_2 \mathrm{O}_2+\mathrm{CO}$

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