Question

Calcium hydroxide and hydrogen gas are produced by the reaction of calcium hydride and water

Answer 1

Step-by-step explanation:

The reaction forms calcium hydroxide, Ca(OH)2 and hydrogen gas (H2). The calcium metal sinks in water and after an hour or so bubbles of hydrogen are evident, stuck to the surface of the metal.

Answer 2

Answer: B) calcium hydride + water -> calcium hydroxide + hydrogen

Explanation: B) on EDG