Question

(a) Element X which is present in bones also is used
intensively in the cement industry. On treatment with
water it forms a solution which turns red litmus blue
Identify X and also write the chemical reactions
involved
(b) A white compound on heating decomposes to
give brown fumes and a yellow residue is left behind.
Name the compound. Write the chemical equation
of the reaction stating its type.​

Answer 1

Answer:

1) THE ELEMENT NAMED AS 'CALCIUM ' IS THE ANSWER OF IT

Explanation:

1) CHEMICAL REACTION :-

Ca + H2O -----------> Ca(OH)2

Answer 2

Answer:

element X is calcium

On treating with water it will form calcium hydroxide.It can be written as

Ca + H2O = Ca(OH)2 + heat

Explanation:

please mark me as Brainliest