Questions
1 Look back at the reaction between calcium carbonate and hydrochloric
acid, on page 113
a Which product of this reaction contains the element calcium?
b Which reactant contains the element hydrogen?
c Which product contains the element hydrogen?
d Which reactant contains the element carbon?
e Which product contains the element carbon?
Answers
Answered by
5
Answer:
Explanation:
A)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.
B)Hydrogen is 5 reaction and 5 produts
C)Hydrogen combines with other elements to form numerous compounds. Some of the common ones are: water (H2O), ammonia (NH3), methane (CH4), table sugar (C12H22O11), hydrogen peroxide (H2O2) and hydrochloric acid (HCl). Hydrogen has three common isotopes.
D)Carbon is 3
E)A diamond is a prime example of an item that contains carbon because it is pure carbon and nothing else.
Similar questions