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1
JEE Main 2021 (Online) 27th July Evening Shift
Numerical
+4
-1
10.0 mL of 0.05 M KMnO4 solution was consumed in a titration with 10.0 mL of given oxalic acid dihydrate solution. The strength of given oxalic acid solution is _________ $$\times$$ 10$$-$$2 g/L.

(Round off to the nearest integer)
Your input ____
2
JEE Main 2021 (Online) 27th July Morning Shift
Numerical
+4
-1
The density of NaOH solution is 1.2 g cm$$-$$3. The molality of this solution is _____________ m. (Round off to the Nearest Integer)

[Use : Atomic mass : Na : 23.0 u, O : 16.0 u, H : 1.0 u, Density of H2O : 1.0 g cm$$-$$3]
Your input ____
3
JEE Main 2021 (Online) 27th July Morning Shift
Numerical
+4
-1
An organic compound is subjected to chlorination to get compound A using 5.0 g of chlorine. When 0.5 g of compound A is reacted with AgNO3 [Carius Method], the percentage of chlorine in compound A is ____________ when it forms 0.3849 g of AgCl. (Round off to the Nearest Integer)

(Atomic masses of Ag and Cl are 107.87 and 35.5 respectively)
Your input ____
4
JEE Main 2021 (Online) 25th July Evening Shift
Numerical
+4
-1
The number of significant figures in 0.00340 is ____________.
Your input ____
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