Question

6. Complete the following word equations :
(a) Sodium hydroxide + zinc → hydrogen + ---------
(b) Calcium + water → calcium hydroxide+ -------​

Answer 1

Answer:

a) Na2ZnO2( Sodium Zincate)

b) H2 ( Hydrogen)

Explanation:

a) Sodium hydroxide + zinc → hydrogen + ---------

2NaOH + Zn = H2 + Na2ZnO2

b)Calcium + water → calcium hydroxide+ -------

Ca + 2H2O = Ca(OH)2 + H2