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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Subjects
Science CBSE
Class 10
Metals and non-metals
Textbook questions

52. NCERT Exemplar: Short answer questions XIII

Exercise condition:

4 m.

Give the formulae of the stable binary compounds that would be formed by the combination of following pairs of elements:

a.

$Mg$ and

$N_2$

b.

$Li$ and

$O_2$
c.

$Al$ and

$Cl_2$

d.

$K$ and

$O_2$

a.

$Mg$ and

$N_2$ :

$2Mg + N_2 →Mg_2N_2$
$2Mg + N_2 →2MgN$
$3Mg + N_2 →Mg_3N_2$

b.

$Li$ and

$O_2$ :

$4Li + O_2→ 2Li_2O_2$
$4Li + O_2→ 2Li_2O$
$2Li + O_2→ 2LiO$

c.

$Al$ and

$Cl_2$

$2Al + 3Cl_2→ 2AlCl_3$
$2Al + 3Cl_2→ Al_2Cl_3$
$2Al + 3Cl→ 2AlCl_3$

d.

$K$ and

$O_2$

$3K + O_2 → 3K_2O$
$4K + O_2 → 2K_2O$
$2K + O_2 → K_2O_2$

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