hydrides

Which hydride is/are an ionic hydride ?

Lithium hydride can be used to prepare other useful hydrides. Beryllium hydride is one of them. Suggest a route for the preparation of beryllium hydride starting from lithium hydride. Write chemical equations involved in the process.

Write the name and formulae of (a) a metal hydride, ad (b) a non-metal hydride.

Give an example of (i) ionic hydride, (ii) covalent hydride.