Question

name the following :- {a} hardest material found in our body, {b} material used to cut the diamond {c} one gas soluble in water {d} gas insoluble in water ....​

Answer 1

Answer:

a)Enamel

b)Lasers

c)CO2

d)Methane, Nitrogen, Hydrogen, Helium and neon gases

Answer 2

Answer:

a-enamel of teeth

b-laser can be used

c -Co2

d -CH4