Chemistry
(a) A metal in the powdered form reacts very slowly with the boiling water, but it decomposes with steam. Name the metal.
(b) Write a balanced equation for the reaction of the named metal with (i) boiling water (ii) steam.
Related Questions
Complete and balance the following equations.
(a) Na + H2O ⟶ …………… + ……………
(b) Ca + H2O ⟶ …………… + ……………
(c) Mg + H2O ⟶ …………… + ……………
(d) Zn + H2O ⟶ …………… + ……………
(e) Fe + H2O ⟶ …………… + ……………
(f) Zn + HCl ⟶ …………… + ……………
(g) Al + H2SO4 ⟶ …………… + ……………
(h) Fe + HCl ⟶ …………… + ……………
(i) Zn + NaOH ⟶ …………… + ……………
(j) Al + KOH + H2O ⟶ …………… + ……………
If the following are kept in closed vessels at over 400°C what would happen to them ?
(a) iron filings and steam,
(b) hydrogen and magnetic oxide of iron ?
What do you observe when hydrogen gas is passed through soap solution?
Under what conditions can hydrogen be made to combine with
(a) nitrogen
(b) chlorine
(c) sulphur
(d) oxygen
Name the products in each case and write the equation for each reaction.