Category: General

Why iron oxide is red?

Score: 5/5 (16 votes) Hi, The commercial powder you have is not pure magnetite (Fe3O4), it contains mainly red ferric oxide (Fe2O3) which gives it the co...

Could rabbits eat bread?

Score: 4.9/5 (40 votes) Rabbits should not eat bread. You should not feed bread to bunnies because it has the wrong balance of starch, fibre and other nu...

Who invented sulphuric acid?

Score: 4.1/5 (32 votes) History of sulfuric acid The discovery of sulfuric acid is credited to the 8th century alchemist Jabir ibn Hayyan. Who is the fat...

Do comets have tails?

Score: 4.4/5 (60 votes) Comets leave long beautiful tails when they come close to the sun. ... But when it approaches the sun, the heat evaporates the co...