07/02/2026
What is called??
রসায়ন = রস+ আয়ন।
ক্লোরোফ্লুরোকার্বন (CFCs)
C12H22O11
CaCO3(s) + 2 HCl(aq) → CaCl2(aq) + CO2(g) + H2O (l)
Barishal
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