This chapter is currently out of syllabus
1
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
In context with beryllium, which one of the following statements is incorrect?
A
It is rendered passive by nitric acid.
B
It forms Be2C
C
Its salts rarely hydrolyze.
D
Its hydride is electron-deficient and polymeric.
2
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.
3
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The product obtained as a result of a reaction of nitrogen with CaC2 is
A
CaCN2
B
Ca2CN
C
Ca(CN)2
D
CaCN
4
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
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