A substances X, which is an oxide of a group 2 element, is used intensively in the cement industry. This element is present in bones also. On treatment with water it forms a solution which turns red litmus blue. Identify X and also write the chemical reaction involved.

Open in App

Solution

Substance X is calcium oxide (CaO).
Ca belongs to group 2 in periodic table.
CaO is used in cement mixes.
The element Ca is also present in our bones.
CaO on treatment with water forms calcium hydroxide.
CaO + H₂O $\to$ Ca(OH)₂
Ca(OH)₂ is a base which turns red litmus to blue.

Suggest Corrections

Similar questions

Q. Question 32
A substance X, which is an oxide of a group 2 element, is used intensively in the cement industry. This element is present in bones also. On treatment with water, it forms a solution which turns red litmus blue. Identify X and also write the chemical reactions involved.

Q. A substance

X

which is an oxide of a group element is used intensively in the cement industry. This element is also present in bones. On treatment with water, it forms a solution which turns red litmus blue. What is

X

Q. An element X that react with oxygen and form an oxide

X_{2} O

. This oxide dissolves in water and turns red litmus blue. Element

X

is :

An element X on reacting with oxygen forms an oxide X₂O. This oxide dissolves in water and turns red litmus blue. State whether element X is a metal or a non metal. Explain with proper example.

An element burns in air to form an oxide.The aqueous solution of this oxide turns blue litmus paper red. State whether the element is a metal or non-metal.Name one such element.

Join BYJU'S Learning Program

A substances X, which is an oxide of a group 2 element, is used intensively in the cement industry. This element is present in bones also. On treatment with water it forms a solution which turns red litmus blue. Identify X and also write the chemical reaction involved.

Substance X is calcium oxide (CaO). Ca belongs to group 2 in periodic table. CaO is used in cement mixes. The element Ca is also present in our bones. CaO on treatment with water forms calcium hydroxide. CaO + H2O → Ca(OH)2 Ca(OH)2 is a base which turns red litmus to blue.

Substance X is calcium oxide (CaO).
Ca belongs to group 2 in periodic table.
CaO is used in cement mixes.
The element Ca is also present in our bones.
CaO on treatment with water forms calcium hydroxide.
CaO + H₂O $\to$ Ca(OH)₂
Ca(OH)₂ is a base which turns red litmus to blue.