This chapter is currently out of syllabus
1
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Which of the following statments is false?
A
Ca2+ ions are not important in maintaining the regular beating of the heart.
B
Mg2+ ions are important in the green parts of the plants.
C
Mg2+ ions form a complex with ATP.
D
Ca2+ ions are important in blood clotting.
2
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
On heating which of the following releases CO2 most easily?
A
Na2CO3
B
MgCO3
C
CaCO3
D
K2CO3
3
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
20.0 g of a magnesium carbonate sample decomposes on heating to give carbon dioxide and 8.0 g magnesium oxide. What will be the percentage purity of magnesium carbonate in the sample?
(At. wt. of Mg = 24)
A
96
B
60
C
84
D
75
4
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The function of ''Sodium pump'' is a biological process operating in each and every cell of all animals. Which of the following biologically important ions is also a constituent of this pump?
A
K+
B
Fe2+
C
Ca2+
D
Mg2+
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