What is the formula of the hydride formed by nitrogen?

In the reaction between a crushed antacid tablet and vinegar what gas is emitted

Which ocean zone has the most abundant primary producer and why a) the abyssopelagic zone ,du to the absence of light and cold water temperatureb) the bathypelagic zone, due to the absence of light and cold water temperaturec) the mesopelagic zone ,due to uts high light availability and warm water temperature d) the epipelagic zone,due to its high light availability and warm water temperature

Classify this reaction: 2al+n2-> aln.