About 2 cm³ of water is boiled in a test tube so that steam is coming out freely. A burning magnesium spiral is introduced into the steam. Describe your observation.

Open in App

Solution

The burning magnesium reacts with steam to form magnesium oxide and hydrogen gas is released along with it.
The magnesium oxide so formed is white in color.
The reaction for the same is given below:
$Mg (s) + H_{2} O (l) \to MgO (aq) + H_{2} (g)$

Suggest Corrections

Similar questions

Q. What would you observe in the following cases?
(i) Sodium and potassium are placed in cold water.
(ii) Burning magnesium is introduced into steam.
(iii) Copper hydroxide is heated.
(iv) Potassium nitrate is heated strongly.
(v) Copper nitrate is heated strongly.
(vi) Mercuric nitrate is heated strongly.

Mita observed steam coming out of a pressure cooker and wondered whether the water boiling inside it or the steam was at higher temperature. Give reasons for your conclusions.

A small amount of water is boiled in a metal can with thin walls of iron. When steam comes out freely, the mouth of the can is screwed with a cap and cold water is poured over it. It is observed that the can gets crushed. The experiment proves that air exerts pressure:

Q. what produces more severe burns boiling water or steam? Explain your answer

Between boiled water and steam where do you burn your finger more severely ? Give reason.

Join BYJU'S Learning Program

About 2 cm3 of water is boiled in a test tube so that steam is coming out freely. A burning magnesium spiral is introduced into the steam. Describe your observation.

The burning magnesium reacts with steam to form magnesium oxide and hydrogen gas is released along with it.The magnesium oxide so formed is white in color.The reaction for the same is given below:Mg(s)+H2O(l)→MgO(aq)+H2(g)

About 2 cm³ of water is boiled in a test tube so that steam is coming out freely. A burning magnesium spiral is introduced into the steam. Describe your observation.

The burning magnesium reacts with steam to form magnesium oxide and hydrogen gas is released along with it.
The magnesium oxide so formed is white in color.
The reaction for the same is given below:
$Mg (s) + H_{2} O (l) \to MgO (aq) + H_{2} (g)$