BeO is insoluble but BaO is soluble as

How would you explain the following observations ? (i) BeO is almost insoluble but BeSO_(4) is soluble in water (ii) BaO is soluble but BaSO_(4) is insoluble in water (iii) LiI is more soluble than KI in ethanol

Explain the following : Ethene is insoluble in water but soluble in alcohol

Two metals (A) and (B) belong to the same group of the periodic table. Metal (A) forms and insoluble oxide but a soluble sulphate, metal (B) forms a soluble oxide but an insoluble oxide but an insoluble sulphate. Both metals (A) and (B) form hydroxides which are soluble in alkalis. (A) and (B) are

C_3H_6N racts with Hinsberg reagent and the product formed is insoluble in alkali but soluble in ether . What is C_3 H_9 N?

[A] : Gibberellic acid , when added to isolated aleurone , induce amylase activity [R] : The enzyme amylase converts insoluble starch into soluble sugars

Two metals X and Y belong to the cond group of periodic table. X forms insoluble oxide but soluble sulphate. Y forms a soluble oxide but insoluble sulphate. Hydroxide of metal X is soluble in NaOH while that of metal Y is insoluble in NaOH. What are metals X and Y?

MgSO_(4) is soluble while BaSO_(4) is insoluble in H_(2)O . This is because :

Which sulphide is insoluble in dilute acids but soluble in alkalies:

Sulphanilic acid although has acidic as well as basic group, it is soluble in alkali but insoluble in mineral acid.

Differentiate between a soluble substance and an insoluble substance.