SOLVED:Hydrazine is somewhat toxic. Use the following half-reactions to explain why household bleach (highly alkaline solutions of sodium hypochlorite) should not be mixed with household ammonia or glass cleansers that contain ammonia.
Bleach Sodium Hypochlorite 12.5% 5 Litre | Sydney Solvents
Sodium hypochlorite - Wikipedia
Sodium Hypochlorite | Hypochlorite Cleaners | N V Chemicals