1
JEE Main 2022 (Online) 27th June Evening Shift
Numerical
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JEE Main 2022 (Online) 27th June Evening Shift Chemistry - Surface Chemistry Question 40 English

If the initial pressure of a gas is 0.03 atm, the mass of the gas adsorbed per gram of the adsorbent is ___________ $$\times$$ 10$$-$$2 g.

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JEE Main 2022 (Online) 27th June Evening Shift
Numerical
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0.25 g of an organic compound containing chlorine gave 0.40 g of silver chloride in Carius estimation. The percentage of chlorine present in the compound is ___________. [in nearest integer]

(Given : Molar mass of Ag is 108 g mol$$-$$1 and that of Cl is 35.5 g mol$$-$$1)

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3
JEE Main 2022 (Online) 27th June Evening Shift
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The number of points of intersection of

$$|z - (4 + 3i)| = 2$$ and $$|z| + |z - 4| = 6$$, z $$\in$$ C, is :

A
0
B
1
C
2
D
3
4
JEE Main 2022 (Online) 27th June Evening Shift
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Let $$f(x) = \left| {\matrix{ a & { - 1} & 0 \cr {ax} & a & { - 1} \cr {a{x^2}} & {ax} & a \cr } } \right|,\,a \in R$$. Then the sum of the squares of all the values of a, for which $$2f'(10) - f'(5) + 100 = 0$$, is

A
117
B
106
C
125
D
136
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