1
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following has maximum number of atoms?
A
1 g of Mg(s) [Atomic mass of Mg = 24]
B
1 g of O2(g) [Atomic mass of O = 24]
C
1 g of Li(s) [Atomic mass of Li = 7]
D
1 g of Ag(s) [Atomic mass of Ag = 108]
2
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1.33
Change Language
The number of protons, neutrons and electrons in 17571Lu, respectively, are :
A
104, 71 and 71
B
71, 71 and 104
C
175, 104 and 71
D
71, 104 and 71
3
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
The number of moles of hydrogen molecules required to produce 20 moles of ammonia through Haber’s process is :
A
10
B
20
C
30
D
40
4
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Change Language
A mixture of 2.3 g formic acid and 4.5 g oxalic acid is treated with conc. H2SO4 . The evolved gaseous mixture is passed through KOH pellets. Weight (in g) of the remaining product at STP will be
A
1.4
B
3.0
C
2.8
D
4.4
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