Which gas is deposited at the anode on electrolysis of alumina?

Is it an ore of zinc?

Thin wires can be pulled from a metal piece. For which property of the metal is it responsible?

Which metal starts floating when put in water?

Which metal does not react with oxygen even at higher temperatures?

Which gas accumulates at the anode after electromagnetic decomposition of alumina?

Is zinc ore?

Which of the following metals can be cut with a knife?