Chemistry

Lithium nitrate and sodium nitrate, when heated separately, respectively, give:

The reaction of zinc with excess of aqueous alkali, evolves hydrogen gas and gives:

In metallurgy the term “gangue” is used for:

The first ionization enthalpy on Na, Mg and Si, respectively, are : 496, 737 and 786 kJ mol^-1. The first ionization enthalpy (kJ mol^-1) of Al is:

100 mL of 5% (w/v) solution of NaCl in water was prepared in 250 mL beaker. Albumin from the egg was poured into NaCl solution and stirred well. This resulted in a/an:

  $N_{2\left(g\right)}+3H_{2\left(g\right)}?2N{H}_{3\left(g\right)}$

20g     5g

Consider the above reaction, the limiting reagent of the reaction and number of moles of NH₃ formed respectively are:

Which of the following pair of molecules contain odd electron molecule and an expanded octet molecule?

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Which of the following pair of molecules contain odd electron molecule and an expanded octet molecule?

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