Question

13. Name the following:
a. A metal that floats on water.
b. A metal that reacts with steam to form hydrogen.
c. The oxide formed when red hot iron reacts with steam.
d. A metal that reacts with dilute acids explosively,
e. An acid that cannot be used for the preparation of hydrogen.
€. A metal that will react with hot and concentrated sodium hydroxide to liberate hydrogen.
g; The drying agent for hydrogen gas.
h. The impurities present in hydrogen prepared from granulated zinc.
1. The catalyst and the promoter used in the Bosch process,
J. The impurities present in hydrogen prepared by the Bosch process.
k. A compound that can absorb carbon monoxide.
1. A semi-solid substance formed when unsaturated hydrocarbons are hydrogenated,​

Answer 1

Answer:

a) Lithium, sodium and potassium float on the surface of the water and are less dense than water.

b) Aluminium (Al) is reacted with steam to form metal oxide and hydrogen.

c) The oxide formed when red hot iron reacts with steam is Hydrogen.

d) Potassium (K) is the metal which react explosively with diluted acids.

e) Nitric acid (HNO3)

f) Sodium Hydroxide (NaOH)

g) Chlorine (Cl)

h) Dilute sulphuric acid ( S)

i) The promoter used in Haber's process is molybdenum.

N2(g)+3H2(g)⇆Metalcatalyst2NH3(g).

j) Hydrogen sulphide, sulphur dioxide, oxides of nitrogen, phosphine, arsine, carbon dioxide and water vapour are the impurities present in the hydrogen prepared in the laboratory.

k) Sodium Hydroxide, Potassium Hydroxide and Lithium Hydroxide

Please mark it as brainlist....