This chapter is currently out of syllabus
1
JEE Main 2020 (Online) 6th September Morning Slot
Numerical
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Out of Syllabus
A spherical balloon of radius 3 cm containing helium gas has
a pressure of 48 $$ \times $$ 10–3 bar. At the same temperature, the pressure, of a spherical balloon of radius 12 cm containing the
same amount of gas will be ________ $$ \times $$ 10–6 bar.
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2
JEE Main 2020 (Online) 8th January Evening Slot
Numerical
+4
-0
Out of Syllabus
NaClO3 is used, even in spacecrafts, to produce O2. The daily consumption of pure O2 by a person is 492L at 1 atm, 300K. How much amount of NaClO3, in grams, is required to produce O2 for the daily consumption of a person at 1 atm, 300 K?
NaClO3(s) + Fe(s) $$ \to $$ O2(g) + NaCl(s) + FeO(s)
R = 0.082 L atm mol–1 K–1
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