1
JEE Main 2023 (Online) 13th April Evening Shift
Numerical
+4
-1
Out of Syllabus
Change Language

If the formula of Borax is $$\mathrm{Na_2B_4O_x(OH)_y~.~zH_2O}$$, then $$x+y+z=$$ ___________

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2
JEE Main 2023 (Online) 10th April Evening Shift
Numerical
+4
-1
Out of Syllabus
Change Language

The difference in the oxidation state of $$\mathrm{Xe}$$ between the oxidised product of $$\mathrm{Xe}$$ formed on complete hydrolysis of $$\mathrm{XeF}_{4}$$ is ___________

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3
JEE Main 2023 (Online) 10th April Morning Shift
Numerical
+4
-1
Change Language

In the following reactions, the total number of oxygen atoms in X and Y is ___________.

Na$$_2$$O + H$$_2$$O $$\to$$ 2X

Cl$$_2$$O$$_7$$ + H$$_2$$O $$\to$$ 2Y

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4
JEE Main 2023 (Online) 8th April Evening Shift
Numerical
+4
-1
Out of Syllabus
Change Language

The ratio of sigma and $$\pi$$ bonds present in pyrophosphoric acid is ___________.

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