Multiple Choice Question Answer VI — task. Science CBSE, Class 10.

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

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1. Which of the following is a decomposition reaction?

NaOH + HCl → NaCl + $H_2O$
$NH_4CNO$ → $H_2NCONH_2$
$2KClO_3$ → 2KCl + $3O_2$
$H_2$ + $I_2$ → 2HI

2. Identify a, b, c, & d in the following reaction?

$aAlCl_3$ +

$bCa(OH)_2$ →

$cAl(OH)_3$ +

$dCaCl_2$

a = 2 b = 3 c = 2 d = 3
a = 3 b = 1 c = 3 d = 2
a = 3 b = 3 c = 3 d = 3
a = 2 b = 1 c = 3 d = 4

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