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1
JEE Main 2022 (Online) 26th June Morning Shift
MCQ (Single Correct Answer)
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-1
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The correct order of melting point is :

A
Be > Mg > Ca > Sr
B
Sr > Ca > Mg > Be
C
Be > Ca > Mg > Sr
D
Be > Ca > Sr > Mg
2
JEE Main 2022 (Online) 25th June Morning Shift
MCQ (Single Correct Answer)
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-1
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Which one of the following alkaline earth metal ions has the highest ionic mobility in its aqueous solution?

A
Be2+
B
Mg2+
C
Ca2+
D
Sr2+
3
JEE Main 2022 (Online) 24th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
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In the industrial production of which of the following, molecular hydrogen is obtained as a byproduct?

A
NaOH
B
NaCl
C
Na metal
D
Na2CO3
4
JEE Main 2022 (Online) 24th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
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Which one of the following compounds is used as a chemical in certain type of fire extinguishers?

A
Baking soda
B
Soda ash
C
Washing soda
D
Caustic soda
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