When a metal X is treated with cold water, it gives a basic salt Y With molecular formula XOH (molecular mass =40) and liberates a gas Z which easily catches fire. Identify X , Y and Z and also write the reaction involved. 

When a metal 'X' is treated with cold water, it gives a basic salt 'Y' with molecular formula XOH (Molecular mass = 56) and liberates a gas 'Z' which easily catches fire. Identify X, Y and Z and also write the reaction involved.

When a metal X is treated with cold watr, it gives a base Y with molecular formula XOH (molecular mass 40) and liberates a gas Z which easily catches fire. Identify X, Y and Z

An alkali metal A gives a compound B (molecular mass = 40) on reacting with water. The compound B gives a soluble compound C on treatment with aluminium oxide. Identify A, B and C and give the reactions involved.

An alkali metal A gives a compound B (molecular mass = 40) on reacting with water. The compound B gives a soluble compound C on treatment with aluminium oxide. Identify A, B and C and give the reactions involved.

An organic compound X with a molecular formula C_2 H_6 O undergoes oxidation with in presence of alkaline KMnO_4 to form a compound Y. X on heating in presence of con. H_2 SO_4 at 443 k gives Z. Which on reaction with Br_2 and decolorizes, it. Identify X, Y and Z write the reactions involved.

of the three metals X, Y and Z, X reacts with cold water, Y with hot water and Z with steam only. Identify X, Y and Z and also arrange them in order of increasing reactivity.

Of the three metals X, Y and Z, X reacts with cold water, Y with hot water and Z with steam only. Identify X, Y and Z and also arrange them in order of increasing reactivity.