Question

From amongst the metals sodium, calcium, aluminium, copper and magnesium, name the metal
(a) which reacts with water only on boiling, and
(b) another which does not react even with steam.

Answer 1

Answer:

Magnesium reacts with water only on boiling and that too slowly.

Mg(s) + H2O(hot) → MgO(s) + H2(g)

2) Copper does not react even with steam

Answer 2

1

Secondary School Science 5 points

From amongst the metals sodium calcium aluminium Copper and magnesium name the metal (a)which reacts with water only on boiling (b)which does not react even with steam

The protein which is found in white fiber and yellow fiber is Myoglobin.

It is an oxygen binding protein which is found in the muscle tissues of all the mammals.

In humans, it can be found only after the muscle injury.

White muscle fibers are white in appearance because of the less presence of red pigment, which is also known as mygolobin.