MCQ
Carbide, which react with water to give propyne is
- A$Ca{C_2}$
- B$SiC$
- ✓$M{g_2}{C_3}$
- D$A{l_4}{C_3}$(e)$B{e_2}C$
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[Given $pK _{ a }$ of $CH _{3} COOH =4.57$ ]
$(a)$ $AgF$ is soluble and colourless is aqueous medium
$(b)$ For $LiF$ solubility and Melting point both are lower as compair to $NaF$
$(c)$ Solubility of $Rb_2SO_4$ is less as compair to $BaSO_4$
$(d)$ If $AgI$ is added to water colour of water will turned yellow from colourless