Question

Calcium on reacts

violently with water gives

calcium oxide and

hydrogen gas and heat

energy. Which of the

following are true for the

above reaction for calcium

do not produce fire.

(a) sufficient H2 is not

liberated

(b) sufficient heat is not

liberated

(C) heat is not liberated

(d) H2 is not liberated at all​

Answer 1

Answer:

bruh

how many questions

I can't answer

Answer 2

Answer:

Calcium is a silvery-white metal; it is relatively soft, but much harder than sodium metal. Calcium is a member of the alkaline-earth metals (Group II on the periodic table); these metals react vigorously with water, although not as violently as the Group I metals such as sodium or potassium:

Ca(s) + 2H2O(l) ——> Ca(OH)2(aq) + H2(g