Chemistry
Complete and balance the following chemical equations: (a) N<sub>2</sub> + O<sub>2</sub> (b) H<sub>2</sub>S + Cl<sub>2</sub> (c) Na + H<sub>2</sub>O (d) NaCl + AgNO<sub>3</sub> (e) Zn + H<sub>2</sub>SO<sub>4</sub> (dil.) (f) FeSO<sub>4</sub> (aq) + NaOH (aq) (g) Pb(NO<sub>3</sub>)<sub>2</sub> (h) BaCl<sub>2</sub> (aq) + H<sub>2</sub>SO<sub>4</sub> (aq)
Related Questions
Name three biochemical catalysts (enzymes) found in human body.
State two characteristics of chemical reactions.
Illustrate the following characteristics of a chemical reaction by giving a suitable example of each:
(a) evolution of a gas
(b) change of colour
(c) change of state
What are positive and negative catalysts ? Give one example of each.