Chemistry:  burning hydrogen produces pure water - Vintage Nostalgia
Chemistry: burning hydrogen produces pure water

How to prove that burning hydrogen produces pure water as “ash”. In the left-hand bottle bits of zinc are oxidised by a diluted sulphuric acid being poured in; the resulting hydrogen is collected through the second neck and exiccated in … Continued

$ 1.99$ 35.99 Select options
Collage of 2 art deco labels - Vintage Nostalgia
Collage of 2 art deco labels

2 art deco frames with night scenes: ship and lighthouse and rural winter night with snow

$ 1.99$ 35.99 Select options